Compaq Pro 6305 Maintenance and Service Guide Pro 6305 Microtower Business PC
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- Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 1
Maintenance and Service Guide HP Compaq Pro 6305 Microtower Business PC HP Compaq Pro 6305 Small Form Factor Business PC - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 2
Corporation in the United States and/or other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 3
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 4
iv About This Book - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 5
of contents 1 Product Features ...1 Standard Configuration Features 1 Microtower (MT) Front Panel Components 2 Small Form Factor (SFF) Front Panel Components 3 Microtower (MT) Rear Panel Components 4 Small Form Factor (SFF) Rear Panel Components 5 Serial Number Location ...6 2 Activating and - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 6
31 Small Form Factor (SFF) chassis spare parts 35 Computer 49 Cleaning the Monitor 49 Cleaning the Mouse 50 Service Considerations ...50 Power Supply Fan 50 Tools and Software 6 Removal and Replacement Procedures Microtower (MT) Chassis 54 Preparation for Disassembly ...54 Computer Access Panel ...55 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 7
...95 System Board ...96 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 99 Preparation for Disassembly ...99 Access Panel ...100 Front Bezel ...101 Front Bezel Security ...102 Bezel Blanks ...104 Memory ...105 DIMMs ...105 DDR3-SDRAM DIMMs 105 Populating DIMM Sockets 106 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 8
Factor Computer in a Tower Orientation 145 8 Troubleshooting Without Diagnostics 146 Safety and Comfort ...146 Before You Call for Technical Support 146 Helpful Hints ...147 Solving General Problems ...148 Solving Power Problems ...152 Solving Hard Drive Problems 154 Solving Media Card Reader - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 9
Contacting Customer Support 184 9 HP PC Hardware Diagnostics 185 Why run HP PC Hardware Diagnostics - UEFI 185 How to Requirements 214 General Requirements ...214 Japanese Power Cord Requirements 214 Country-Specific Requirements 215 Appendix C Specifications 216 MT Specifications ...216 ix - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 10
SFF Specifications ...217 Index ...218 x - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 11
can also be used in a tower orientation. For more information, see Using the Small Form Factor Computer in a Tower Orientation on page 145 in this guide. Standard Configuration Features 1 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 12
Microtower (MT) Front Panel Components Drive configuration may vary by model. Some models have a bezel blank covering one or is normally green when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. 2 Chapter 1 Product Features - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 13
Small Form Factor (SFF) Front Panel Components Drive configuration may vary by model. Some models have a bezel blank covering one or Light is normally green when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. Small Form Factor - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 14
Microtower (MT) Rear Panel Components Figure 1-4 Rear Panel Components Table 1-3 Rear Panel Components 1 Power Cord Connector 2 Line-In Audio Connector (blue) 6 Line-Out Connector for powered audio - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 15
Small Form Factor (SFF) Rear Panel Components Figure 1-5 Rear Panel Components Table 1-4 Rear Panel Components 1 RJ-45 Network Connector 7 DisplayPort Monitor a wireless receiver, use a USB 2.0 port that is separated from USB 3.0 devices. Small Form Factor (SFF) Rear Panel Components 5 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 16
and a product ID number that are located on the top cover of the computer. Keep these numbers available for use when contacting customer service for assistance. Figure 1-6 Microtower Serial Number and Product ID Location Figure 1-7 Small Form Factor Serial Number and Product ID Location 6 Chapter - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 17
process takes about 5 to 10 minutes. Carefully read and follow the instructions on the screen to complete the activation. We recommend that you register operating system setup so you can receive important software updates, facilitate support questions, and sign up for special offers. CAUTION: After - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 18
> Internet Explorer and follow the instructions on the screen. 2. After an drivers. Obtain the latest support software, including support software for the operating system, from http://www.hp.com/support. Select your country and language, select Download drivers on the Windows desktop, then click - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 19
system set up so you can receive important software updates, facilitate support questions, and sign up for special offers. You can also register customize display settings for Windows 8 separately for the Start screen and the Desktop. To customize the Start screen: 1. Point to the upper-right - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 20
POST) messages. Post Messages Disabled suppresses most POST messages, such as memory count, product name, and other non-error text messages. If a error occurs, the error is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press any key (except F1 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 21
a specified ATA hard drive (when supported by drive). ● Enable or disable DriveLock security (when supported by drive). Using Computer Setup ( for all models CAUTION: Do NOT turn the computer power OFF while the BIOS is saving the Computer Setup (F10) changes because the CMOS could become corrupted - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 22
File NOTE: Support for specific L1/L2/L3) (dual core processors have this listed twice) ● Installed memory size/speed, number of channels (single or dual) (if applicable) System ROM Allows you to update the system ROM with a BIOS image file located on removable media. Replicated Setup Save to - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 23
Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 Computer Setup-Storage Option Description Device Configuration Lists all installed BIOS heads, and sectors per track) used by the BIOS to translate disk I/O requests (from the operating system - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 24
and degrade or corrupt established volumes. IDE - This is the most backwards-compatible setting of the three options. Operating systems usually do not require additional driver support in IDE mode. RAID - Allows DOS and boot access to RAID volumes. Use this mode with the RAID device - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 25
Table 3-3 Computer Setup-Storage (continued) DPS Self-Test Allows you to execute self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests. NOTE: This selection will only appear when at least one drive capable of performing the DPS selftests is attached to - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 26
Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-4 Computer Setup-Security Option Description Setup Password Power-On Password Password Options ( - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 27
Table 3-4 Computer Setup-Security (continued) Device Security Allows you to set Device Available/Device Hidden (default is Device Available) for: ● Embedded security device ● System audio ● USB controller (varies by model) ● Network controller NOTE: You must disable AMT before trying to hide the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 28
detected when the system is restarted. When MBR Security is enabled, the BIOS prevents any changes being made to the MBR of the current bootable disk systems control access to the MBR of the current bootable disk; the BIOS cannot prevent changes that may occur while the operating system is running. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 29
and then back on. Default is disabled. Trusted Execution Technology (enable/disable) - Controls the underlying processor and chipset features needed to support a virtual appliance. Changing this setting requires turning the computer off and then back on. Default is disabled. To enable this feature - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 30
except for Windows 8 systems which have this setting enabled. Secure Boot enabled also sets Legacy Support to disabled. ● Key Management-This option lets you manage the custom key settings. ◦ that lets you boot to a device or troubleshoot your computer. 20 Chapter 3 Computer Setup (F10) Utility - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 31
Computer Setup-Power NOTE: Support for specific Computer Setup options may vary depending in. Each sleep state has a unique blink pattern. Default is disabled. NOTE: For Windows 8 systems with Fast Boot support, a normal shutdown goes to the S4 state, not the S5 state. ◦ S0 (On) = Solid green LED. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 32
memory on all boots. ● POST messages (enable/disable). Enabling this feature will cause the system to display POST error messages, which are error messages displayed on the monitor during the Power On Self Test if the BIOS encounters some kind of problem with Fast Boot support. Other text also - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 33
/Force) Use this option to manage integrated (UMA) graphics memory allocation. The value you choose is allocated permanently to graphics SATA RAID Option ROM Download (enable/disable). The BIOS contains an embedded SATA RAID option ROM for RAID support. This can be temporarily disabled to save DCH - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 34
ME. ● Watchdog Timer (enable/disable). Allows you to set amount of time for a operating system and BIOS watchdog alert to be sent if the timers are not deactivated. BIOS watchdog is deactivated by BIOS and would indicate that a halt occurred during execution if the alert is sent to the management - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 35
parts catalog Microtower (MT) chassis spare parts Computer major components Item Description (1) Front bezel For use in all countries and regions except China 5.25-inch bezel blank (optical drive; not illustrated) Spare part number 689377-001 570838-001 Microtower (MT) chassis spare parts - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 36
Windows 8 Standard models For use in Windows 8 Professional models * Memory modules (PC3-12800, 1600-MHz) 8-GB 4-GB 2-GB * replacement thermal material) AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4- - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 37
, DisplayPort to VGA Spare part number 646827-001 646834-001 646833-001 646828-001 716391-001 646830-001 639959-001 463023-001 603250-001 Microtower (MT) chassis spare parts 27 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 38
Item Description * Adapter, DisplayPort to DVI * Adapter, DVI-I to VGA * Adapter, DVI-D to VGA * Adapter, USB 3.0 to USB 2.0 * DMS-59 to dual DVI cable * Adapter, DisplayPort to HDMI * DisplayPort cable * not illustrated Misc parts Spare part number 662723-001 202997-001 657401-001 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 39
674317-001 608150-001 570580-001 645558-001 583345-001 642738-001 609252-001 336445-001 537745-xx1 537746-xx1 674314-xx1 613125-xx1 Microtower (MT) chassis spare parts 29 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 40
Item Description Smart card Smartcard, CCID * not illustrated Drives Description Hard drives 1-TB hybrid hard drive (8-GB SSD) 1-TB, 7200-rpm 500-GB hybrid hard drive (8-GB SSD) 500-GB, 7200-rpm 500 GB, 7200 rpm, 2.5-inch, self-encrypting (SED) 320-GB, 7200-rpm, 2.5-inch 250-GB, 7200-rpm 256-GB - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 41
(not for use with Windows 8) 637995-001 HP WLAN 802.11 g/n 1x2 PCIe NIC 538048-001 Intel PRO/1000, single port, GbE, NIC 728562-001 Intel Centrino Advanced-N 6205, 802.11a/b/g/n WLAN module 695915- blank, optical drive, 5.25-inch 16X SATA DVD-ROM drive Microtower (MT) chassis spare parts 31 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 42
Spare part number 583345-001 583653-001 585884-001 586721-001 603250-001 608150-001 609250-001 609252-001 613125-xx1 613764-001 613765-001 617450-001 619580-001 631411-xx4 634824-001 636166-001 636917-001 636927-001 636929-001 636930-001 637995-001 638815-001 638816-001 638817-001 639959-001 641498- - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 43
XL Drive AMD Radeon HD7450 PCIe x16 graphics card, 1 GB (includes adapter; not for use with Windows 8) Memory module, 8-GB, PC3 12800, CL11 Front bezel 16X SATA DVD±RW drive Intel Centrino Advanced-N 6205, 802. x16 graphics card, 1 GB (for use only in China) Microtower (MT) chassis spare parts 33 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 44
AMD A6-5400B, 3.6 GHz processor, 4-MB L2 cache (65-W), HD 7540D AMD A8-5500B, 3.2 GHz processor , 4-MB L2 cache (65-W), HD 7560D nVidia Quadro NVS310 hybrid hard drive (8-GB SSD) 500 GB hybrid hard drive (8-GB SSD) Intel PRO/1000, single port, GbE, NIC AMD Radeon HD8470 PCIe x16 graphics card, 2 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 45
Small Form Factor (SFF) chassis spare parts Computer major components Item Description (1) Front bezel Bezel blank (optical drive; not illustrated) Bezel blank (card 583653-001 613762-001 613763-001 703596-001 703596-501 703596-601 646815-001 Small Form Factor (SFF) chassis spare parts 35 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 46
Item Description * Memory modules (PC3-12800, 1600-MHz) 8-GB 4-GB 2-GB * Processors (include replacement thermal material) AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 47
636923-001 638813-001 638814-001 463023-001 463024-001 603250-001 662723-001 202997-001 657401-001 736835-001 617450-001 Small Form Factor (SFF) chassis spare parts 37 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 48
Item Description * DisplayPort cable * not illustrated Misc parts Spare part number 487562-001 Item Description (1) Chassis fan (2) Fan duct (not illustrated) 38 Chapter 4 Illustrated parts catalog Spare part number 645327-001 636921-001 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 49
608150-001 570580-001 609250-001 645558-001 583345-001 642738-001 609252-001 537745-xx1 537746-xx1 674314-xx1 613125-xx1 Small Form Factor (SFF) chassis spare parts 39 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 50
Item Description Smart card Smartcard, CCID * not illustrated Drives Description Hard drive 1-TB hybrid hard drive (8-GB SSD) 1-TB, 7200-rpm 500-GB hybrid hard drive (8-GB SSD) 500-GB, 7200-rpm, 2.5-inch, SED 500-GB, 7200-rpm 320-GB, 7200-rpm, 2.5-inch 250-GB, 7200-rpm 256-GB Solid-state Drive (SSD - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 51
6205, 802.11a/b/g/n WLAN module 695915-001 HP WLAN 802.11 g/n 1x2 PCIe NIC 538048-001 Intel PRO/1000, single port, GbE, NIC 728562-001 HP USB 3.0 SuperSpeed PCIe x1 card 663213-001 HP USB Antenna for use with 538048-001 Bezel blank, 3.5-inch Small Form Factor (SFF) chassis spare parts 41 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 52
Spare part number 583654-001 586721-001 688952-001 608150-001 609250-001 609252-001 613125-xx1 613762-001 613763-001 617450-001 619580-001 631411-xx4 603250-001 634824-001 636166-001 636917-001 636921-001 636923-001 636925-001 636926-001 636927-001 636929-001 636930-001 637995-001 638813-001 638814- - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 53
Solid-state drive, SATA 2.0 Memory module, 2-GB, PC3 12800, CL11) Memory module, 4-GB, PC3 10600, adapter; not for use with Windows 8) Front bezel Memory module, 8-GB, PC3 12800, CL11 16X SATA DVD , 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D AMD A8-5500B processor, 3.2 GHz, 4-MB L2 cache (65-W), HD - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 54
Quadro NVS315 PCIe x16 graphics card, 1 GB (for use with Windows 8) 1 TB hybrid hard drive (8-GB SSD) 500 GB hybrid hard drive (8-GB SSD) Intel PRO/1000, single port, GbE, NIC Adapter, USB 3.0 to USB 2.0 44 Chapter 4 Illustrated parts catalog - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 55
information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 56
Removing DIPs from vinyl tray 2,000 V Removing DIPs from Styrofoam 3,500 V Removing bubble pack from PCB 7,000 V Packing PCBs in foam-lined box 5,000 V These are then multi-packaged inside plastic tubes, trays, or Styrofoam. 4,000 V 5,000 V 20,000 V 11,000 V 11,500 V 14,500 V 26,500 V 21, - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 57
such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 58
the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign matter can - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 59
the keyboard body, follow the procedures described in Cleaning the Computer Case on page 49. When cleaning debris from under the keys, review all rules in General Cleaning Safety Precautions on page 48 before following these procedures: CAUTION: Use safety glasses equipped with side shields before - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 60
ball with a clean, dry cloth before reassembly. ● To clean the mouse body, follow the procedures in Cleaning the Computer Case on page 49. Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. Power Supply - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 61
or snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer contains a lithium - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 62
it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0 Gb/s hard drives. SATA data cables are heat sink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 63
● When folding a flat ribbon cable, never fold to a sharp crease. Sharp creases may damage the wires. ● Some flat ribbon cables come prefolded. Never change the folds on these cables. ● Do not bend any cable sharply. A sharp bend can break the internal wires. ● Never bend a SATA data cable tighter - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 64
described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers. Preparation for - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 65
Computer Access Panel Description Access panel Spare part number 646825-001 To access internal components, you must remove the access panel: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 54) 2. Loosen the two captive thumbscrews (1) that secure the access panel to - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 66
on the side of the bezel (1), then rotate the bezel off the chassis (2). Figure 6-2 Removing the Front Bezel 56 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 67
Front Bezel Security The front bezel can be locked in place by installing a security screw provided by HP. To install the security screw: 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as compact discs or USB flash drives, from the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 68
turn on the computer. 11. Lock any security devices that were disengaged when the access panel was removed. 58 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 69
Bezel Blanks Description 3.5-inch bezel blank 5.25-inch bezel blank, optical drive Spare part number 583653-001 570838-001 On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch drive bays that need to be removed before installing a drive. To remove a bezel blank: 1. Remove the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 70
DOES NOT support DDR3 Ultra Low Voltage (DDR3U) memory. The processor is not compatible with DDR3U memory and if you plug DDR3U memory into the supported NOTE: The system will not operate properly if you install unsupported DIMMs. 60 Chapter 6 Removal and Replacement Procedures Microtower (MT - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 71
channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed. NOTE: Single channel and unbalanced dual channel memory configurations will result in inferior graphics performance. ● The system will operate in single channel mode if the DIMM sockets are populated in one - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 72
memory modules. Regardless of the power-on state, voltage is always supplied to the memory . When handling a memory module, be careful memory module socket (1), and insert the memory module into the socket (2). Figure 6-6 Installing a DIMM NOTE: A memory sockets so that the memory capacity is spread as - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 73
and turn on the computer. 8. Lock any security devices that were disengaged when the access panel was removed. The computer should automatically recognize the additional memory the next time you turn on the computer - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 74
512 MB (not for use with Windows 8) 637995-001 HP WLAN 802.11 g/n 1x2 PCIe NIC 538048-001 Intel PRO/1000, single port, GbE, NIC 728562-001 HP USB 3.0 SuperSpeed PCIe x1 card 663213-001 HP USB 3.0 the computer chassis. 64 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 75
4. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position. Figure 6-7 Opening the Expansion Slot Retainer 5. Before installing an expansion card, remove the expansion slot cover or the existing - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 76
other components. Figure 6-10 Removing a PCI Express x16 Expansion Card 6. Store the removed card in anti-static packaging. 66 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 77
7. If you are not installing a new expansion card, install an expansion slot cover to close the open slot. CAUTION: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. 8. To install a new expansion - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 78
then receive a warning message, remove the module to restore device functionality, and then contact technical support. Before removing the WLAN module, follow these steps: 1. Prepare the computer for disassembly ( WLAN module. 68 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 79
13 USB 14 Hood Lock 15 Hood Sensor SATA0 COMB PAR MEDIA2 HLCK HSENSE dark blue black black black black white Component Memory Module Memory Module Memory Module Memory Module eSATA Adapter Cable, or 2nd Optical Drive 1st Optical Drive SATA Hard Drives SATA Optical Drives 2nd Hard Drive, or 2nd - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 80
724938-001 696422-001 636929-001 634824-001 636927-001 680020-001 646809-001 665961-001 661841-001 70 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 81
to the bottom 3.5-inch bay and the second connector routed to the top 3.5-inch bay. ● The system does not support Parallel ATA (PATA) optical drives or PATA hard drives. ● You must install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 82
No. Guide Screw 1 Black M3 Metric Screws 2 Silver and Blue 6-32 Isolation Mounting Screws Device All Drives (except hard drives) Secondary Hard shown) 2 One 3.5-inch drive bay for optional drive (media card reader shown) 72 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 83
Table 6-2 Drive Positions (continued) 3 Secondary 3.5-inch internal hard drive bay for optional hard drive 4 Primary 3.5-inch internal hard drive bay NOTE: The drive configuration on your computer may be different than the drive configuration shown above. To verify the type and size of the storage - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 84
drive you want to remove, then slide the drive from its drive bay (2). Figure 6-17 Removing the Drives 74 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 85
installing a drive in a bay covered by a bezel blank, remove the bezel blank. See Bezel Blanks on page 59 for more information. 5. Install four M3 metric guide screws in the lower holes on each side of the drive. HP has provided eight extra M3 metric - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 86
cable to the USB system board connector labeled MEDIA. Figure 6-21 Connecting the Media Card Reader USB Cable 76 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 87
by pulling the release tab away from the drive (1) and sliding the drive out of the bay (2). Figure 6-22 Removing a Hard Drive 5. Remove the four guide screws (two on each side) from the old drive. You will need these screws to install a new drive. Drives 77 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 88
does not support Parallel ATA (PATA) hard drives. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 54) 2. Remove the access panel (Computer Access Panel on page 55) 3. Install guide screws Bracket 78 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 89
the sides of the bracket into the drive. Figure 6-25 Securing the Drive in the Adapter Bracket ◦ Install four 6-32 silver and blue isolation mounting guide screws in the adapter bracket (two on each side of the bracket). Figure 6-26 Installing Isolation Mounting - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 90
drive bay, making sure to align the guide screws with the guide slots, until the drive snaps into place cable to the dark blue connector labeled SATA0 to avoid any hard drive performance problems. If you are adding a second hard drive, connect the data cable to Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 91
2. Remove the screw from the rear of the carrier (1) and slide the top cover off the carrier (2). Figure 6-28 Removing the Carrier Cover 3. Remove the adhesive strip that secures the thermal sensor to the top of the hard drive (1) and move the thermal sensor away from the carrier (2). Figure 6-29 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 92
from the carrier then lift it up and out of the carrier. Figure 6-31 Removing the Hard Drive 82 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 93
6. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATA connector on the carrier's circuit board. Be sure the connector on the hard drive is pressed all the way into the connector on the carrier's circuit board. Figure 6-32 Replacing the Hard Drive 7. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 94
the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. 84 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 95
Front Fan Assembly Description Front fan assembly Spare part number 585884-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 54). 2. Remove the access panel (Computer Access Panel on page 55). 3. Remove the cables from the clip on the top of the fan assembly. Figure - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 96
front I/O cables (yellow, green, and blue) from the system board connectors (FRONT USB, FRONT USB2, and FRONT AUD). 86 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 97
6. Remove the Torx T15 screw that secures the assembly to the chassis. Figure 6-38 Removing the front I/O assembly screw 7. Rotate the left side of the assembly to the right . Figure 6-39 Removing the front I/O assembly 8. Pull the assembly away from the computer while threading the wires through - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 98
the assembly away from the chassis while threading the cable through the hole in front of the chassis. 88 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 99
Heat sink Description Heat sink Spare part number 645326-001 CAUTION: The bond between the heat sink and the processor may be very tight. If the computer will power on, before removing the heat sink, turn on the computer until it warms the heat sink. Warming the heat sink lessens the bond between - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 100
require replacing the system board. Processor Description AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65 open position (1). 90 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 101
the system board, update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Speaker Description Speaker Spare part number 645330-001 1. Prepare the computer for - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 102
6. Rotate the top of the speaker downward (2), and then remove it from the chassis. Figure 6-41 Removing the speaker To replace the speaker, reverse the removal procedures. 92 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 103
Rear Chassis Fan Description Rear chassis fan Spare part number 643908-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 54). 2. Remove the access panel (Computer Access Panel on page 55). 3. Remove the four silver Phillips screws that secure the fan to the chassis. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 104
5. Lift the fan out of the chassis (2). Figure 6-43 Removing the rear fan To install the fan assembly, reverse the removal procedure. Be sure to orient the air flow out of the unit. 94 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 105
Power Supply Description Power supply, 320W, 90% efficient Power supply, 320W Spare part number 613764-001 613765-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 54). 2. Remove the access panel (Computer Access Panel on page 55). 3. Disconnect the power cables from - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 106
replacing the system board, make sure the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules (Memory on page 60) ● Expansion cards (Expansion Cards on page 64) ● Heat sink (Heat sink on page 89). 96 Chapter 6 Removal and - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 107
● Processor (Processor on page 90) ● WLAN module (WLAN module on page 67) 5. Disconnect all cables connected to the system board, noting their location for reinstallation. 6. Remove the eight Torx T15 screws that secure the system board to the chassis. Figure 6-46 System board screws 7. Slide the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 108
, and then align the board with the chassis screw holes. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. 98 Chapter 6 Removal and Replacement Procedures Microtower - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 109
described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers. Preparation for - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 110
the computer (2). Figure 7-1 Removing the access panel To install the access panel, reverse the removal procedure. 100 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 111
Front Bezel Description Front bezel Spare part number 687950-001 1. Prepare the computer for disassembly (Preparation for Disassembly on page 99). 2. Remove the access panel (Access Panel on page 100). 3. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 112
the chassis behind the bezel. Figure 7-3 Retrieving the Front Bezel Security Screw 8. Replace the front bezel. 102 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 113
9. Install the security screw next to the middle front bezel release tab to secure the front bezel in place. Figure 7-4 Installing the Front Bezel Security Screw 10. Replace the access panel. 11. If the computer was on a stand, replace the stand. 12. Reconnect the power cord and turn on the computer - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 114
back and to the right to remove it (2). Figure 7-5 Removing a bezel blank 4. Replace the front bezel. 104 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 115
configured in a highperforming dual channel mode. DDR3-SDRAM DIMMs CAUTION: This product DOES NOT support DDR3 Ultra Low Voltage (DDR3U) memory. The processor is not compatible with DDR3U memory and if you plug DDR3U memory into the system board, it can cause the physical damage to the DIMM or - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 116
mode, depending on how the DIMMs are installed. NOTE: Single channel and unbalanced dual channel memory configurations will result in inferior graphics performance. ● The system will operate in single channel system. 106 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 117
of static electricity by briefly touching a grounded metal object. For more information, refer to Electrostatic Discharge Information on page 45. When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the module. 1. Prepare the computer for disassembly - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 118
memory module socket (1), and insert the memory module into the socket (2). Figure 7-6 Installing a DIMM NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory sockets so that the memory capacity is spread as memory the next time you - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 119
Windows 8) 637995-001 HP WLAN 802.11 g/n 1x2 PCIe NIC 538048-001 Intel PRO/1000, single port, GbE, NIC 728562-001 HP USB 3.0 SuperSpeed PCIe x1 card that is downshifted to a x4 slot. NOTE: The PCI and PCI Express slots support only low profile cards. You can install a PCI Express x1, x4, x8, - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 120
straight up then away from the inside of the chassis. Figure 7-8 Removing an Expansion Slot Cover 110 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 121
b. If you are removing a standard PCI card or PCI Express x1 card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket (1) then away from the inside of the chassis to release it from the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 122
latch back in place to secure the expansion card. Figure 7-12 Closing the Expansion Slot Retainer 112 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 123
. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support. Before removing the WLAN module, follow these steps: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 54) 2. Remove the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 124
the WLAN module into the WLAN module slot. Reverse this procedure to install the WLAN module. 114 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 125
PAR black 13 USB MEDIA2 black 14 Hood Lock HLCK black 15 Hood Sensor 16 USB HSENSE MEDIA white black Component Memory Module Memory Module Memory Module Memory Module eSATA Adapter Cable 1st Optical Drive (unused) SATA Optical and Hard Drives 2nd Hard Drive 1st Hard Drive Serial Port - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 126
696442-001 636929-001 634824-001 636927-001 680020-001 646809-001 665961-001 661841-001 116 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 127
" optical drive. ● The system does not support Parallel ATA (PATA) optical drives or PATA hard drives. ● You must install guide screws to ensure the drive will line up correctly the drive cage and lock in place. HP has provided extra guide screws for the drive bays (five 6-32 standard screws and four - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 128
Secondary Hard Drive There are at total of five extra silver 6-32 standard screws. Four are used as guide screws for a secondary hard drive. The fifth is used for bezel security (see Front Bezel Security on With Care." 118 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 129
Removing a 5.25-inch Drive from a Drive Bay CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 99). 2. Remove the access panel (Access Panel on page 100). 3. Rotate the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 130
guide screws on the front of the chassis, under the front bezel. The M3 metric guide guide screws. Longer screws can damage the internal components of the drive. Figure 7-17 Installing Guide Screws in the Optical Drive 5. Position the guide cable guides. CAUTION: There are two cable guides that keep - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 131
9. Connect the power cable and data cable to the rear of the optical drive. NOTE: The power cable for the optical drive is a three-headed cable that is routed from the system board to the hard drive, then to the rear of the optical drive. 10. Rotate the drive cage back down to its normal position. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 132
up and out of the drive cage (2). Figure 7-20 Removing a 3.5-inch Drive (Media Card Reader Shown) 122 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 133
screws are black and the HP-supplied 6-32 standard screws are silver. Refer to Installing and Removing Drives on page 117 for illustrations of the guide screw locations. 1. Follow the procedure in Removing a 5.25-inch Drive from a Drive Bay on page 119 to remove the 5.25-inch drive and access the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 134
front bezel (if removed) and access panel. 8. If the computer was on a stand, replace the stand. 124 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 135
9. Reconnect the power cord and turn on the computer. 10. Lock any security devices that were disengaged when the access panel was removed. Removing and Replacing the Primary 3.5-inch Internal Hard Drive NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 136
up and out of the bay (2). Figure 7-26 Removing the Hard Drive 7. To install a hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive. Figure 7-27 Installing Hard Drive - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 137
8. Align the guide screws with the slots on the chassis drive cage, press the be connected to the dark blue connector labeled SATA0 on the system board to avoid any hard drive performance problems. 10. Rotate the drive cage for internal drives and the power supply down to their normal positions. 11 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 138
drive (1) and move the thermal sensor away from the carrier (2). Figure 7-30 Removing the Thermal Sensor 128 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 139
4. Remove the four screws from the bottom of the hard drive carrier. Figure 7-31 Removing the Security Screws 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Figure 7-32 Removing the Hard Drive Drives 129 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 140
of the carrier to hold the drive securely in place. Figure 7-34 Replacing the Security Screws 130 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 141
8. Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) and attach the thermal sensor to the top of the hard drive with the adhesive strip (2). Figure 7-35 Replacing the Thermal Sensor 9. Slide the cover on the carrier (1) and replace the screw on the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 142
chassis (2). Figure 7-37 Removing the fan duct To install the fan duct, reverse the removal procedure. 132 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 143
Front Fan Assembly Description Front fan Spare part number 645327-001 The front fan assembly is attached to the front of the chassis. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 99). 2. Remove the access panel (Access Panel on page 100). 3. Remove the front bezel ( - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 144
front fan, reverse the removal procedure. Be sure to orient the air flow into the unit. 134 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 145
Hood Sensor Description Hood sensor Spare part number 638816-001 The hood sensor is attached in a slot in the rear of the chassis. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 99). 2. Remove the access panel (Access Panel on page 100). 3. Unplug the sensor cable - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 146
cables 7. Remove the Torx T15 screw (1) that secures the assembly to the front of the chassis. 136 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 147
8. Route the cables through the slots beneath the drive cage, rotate the assembly into the chassis (2), and then remove the assembly from the computer. Figure 7-42 Removing the front I/O, power switch/LED assembly screw To install the front I/O and power switch assembly, reverse the removal - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 148
to remove it (3). Figure 7-43 Removing the speaker To install the speaker, reverse the removal procedures. 138 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 149
Heat sink Description Heat sink Spare part number 645326-001 CAUTION: The bond between the heat sink and the processor may be very tight. If the computer will power on, before removing the heat sink, turn on the computer until it warms the heat sink. Warming the heat sink lessens the bond between - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 150
replacing the system board. Failure to install the fan duct may cause the computer to overheat. 140 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 151
Processor Description AMD A10-5800B, 3.8 GHz, 4-MB L2 cache (100-W), HD 7660D AMD A8-5500B, 3.2 GHz, 4-MB L2 cache (65-W), HD 7560D AMD A6-5400B, 3.6 GHz, 4-MB L2 cache (65-W), HD 7540D AMD A4-5300B, 3.4 GHz, 4-MB L2 cache ( - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 152
ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Power Supply Description Power supply, drive cage. 142 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 153
100). 3. When replacing the system board, make sure the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules (Memory on page 105) ● Expansion cards (Expansion Card on page 109) System Board 143 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 154
procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS. CAUTION: Before reinstalling the heat sink you must clean the top of the processor and the bottom of supply. 144 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 155
page 99). 2. Orient the computer so that its right side is facing down and place the computer in the optional stand. Figure 7-49 Changing from Desktop to Tower Orientation NOTE: To stabilize the computer in a tower orientation, HP recommends the use of the optional tower stand. 3. Lock any security - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 156
on choosing a workspace and creating a safe and comfortable work environment. For more information, refer to the Safety & Regulatory Information guide. Before You Call for Technical Support If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 157
the Business Support Center (BSC) at http://www.hp.com/go/bizsupport for the latest online support information, software and drivers, proactive and monitor serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 158
Solving Hardware Installation Problems on page 169 for instructions. ● Be sure that all the needed device drivers have been installed. For example, if you are using a printer, you need a driver for that model power cord from the electrical outlet. 148 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 159
Control Panel (Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. To access - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 160
of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Windows 7: 1. Close unnecessary applications to free up memory. 2. Add more memory. 3. Some applications run in the background and Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 161
Table 8-1 Solving General Problems (continued) Poor performance. Cause Solution In Windows 8: a. On the Start screen, how to improve performance by adjusting parameters in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. Computer - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 162
the system board. Solving Power Problems Common causes and solutions for power problems are listed in the following table. Table 8-2 Solving Power Problems Power supply shuts down intermittently. power supply fault. Replace the power supply. 152 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 163
2. Open the access panel and ensure the power supply cable is seated into the connector on the system board. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard drives or optical drives and expansion cards). Power on the system. If the system enters POST, then - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 164
Problems Table 8-3 Solving Hard Drive Problems problem. Cause Solution Either the directory structure is bad or there is a problem the Solving Hardware Installation Problems on page 169 section. cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 165
Table 8-3 Solving Hard Drive Problems (continued) Drive not found (identified). Cause Solution The device is attached to a SATA port that has been hidden in order is not correct. Run the Computer Setup utility and change boot sequence in Storage > Boot Order. Solving Hard Drive Problems 155 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 166
power button again. Solving Media Card Reader Problems Table 8-4 Solving Media Card Reader Problems Media card will not work in a Memory Stick/PRO card, make sure that the lock tab located on the bottom of the Memory Stick/PRO card is not in the locked position. 156 Chapter 8 Troubleshooting - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 167
Memory Stick/PRO card is not in the locked position. Unable to access data on the media card after inserting it into a slot. Cause Solution The media card is not inserted properly, is inserted in the wrong slot, or is not supported inserted in the reader. Solving Media Card Reader Problems 157 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 168
boot sequence in F10 Computer Setup. Solving Display Problems If you encounter display problems, see the documentation that came with the monitor password (if set). Reflash the system ROM with the latest BIOS image. Be sure that the monitor can accept the same Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 169
Table 8-5 Solving Display Problems (continued) Blank screen (no video). Cause Solution Monitor system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Blank screen and the power LED flashes Red six times, once - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 170
If the graphics controller was upgraded, the correct graphics drivers may not be loaded. Install the video drivers included in the upgrade kit. Monitor is not capable monitor. Refer to the documentation that came with the monitor for instructions. 160 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 171
disconnected. Connect the video cable between the monitor and computer. CAUTION: Ensure that the computer power is off while connecting the video cable. Solving Display Problems 161 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 172
than what the monitor supports. Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, select Startup Settings, and then click Restart. 4. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 173
display menu. graphics card. 2. Manually synchronize the Clock and Clock Phase . Cause The font you are using does not support that particular symbol. Solution Use the Character Map applications. Solving Audio Problems If the computer has audio features and you encounter audio problems, see the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 174
In Windows 8, the taskbar is available at the bottom of the Desktop screen. Audio is hidden in Computer Setup. Enable the audio in a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 175
been reconfigured in the audio driver or application In the audio driver or application software, reconfigure what is expected. Solution Some graphics cards support audio over the DisplayPort connection (if device. Solving Printer Problems If you encounter printer problems, see the documentation - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 176
printer being used. If the printer works, reload the printer driver. To run MS-DOS commands, press the Windows key + . Printer memory may be overloaded. Solution Install the correct printer driver for the Keyboard and Mouse Problems If you encounter keyboard or mouse problems, see the documentation - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 177
Table 8-8 Solving Keyboard Problems A wireless keyboard/mouse is not working correctly. Symptoms include lagging mouse movement, jumpy mouse/keyboard, or no function of can disable or enable the Num Lock key in Computer Setup at Advanced > Device Options. Solving Keyboard and Mouse Problems 167 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 178
Table 8-9 Solving Mouse Problems Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plugged the mouse and clean the internal components with a mouse cleaning kit available from most computer stores. 168 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 179
new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard, open system components to cool before touching. Table 8-10 Solving Hardware Installation Problems A new device is not recognized as part of the system. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 180
memory modules were used in the upgrade or memory modules were installed in the wrong location. Solution 1. Review the documentation that came with the system to determine if you are using the correct memory specific problems. 3. If you still cannot resolve the issue, contact Customer Support. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 181
are listed in the following table. These guidelines do not discuss the process of debugging the network cabling. Table 8-11 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum Power Saving feature is enabled. Solution Disable the S5 Maximum Power Saving option - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 182
Table 8-11 Solving Network Problems (continued) Wake-on-LAN feature is not functioning. Cause Incorrect network driver. Check the network controller documentation for the correct driver or obtain the latest driver from the manufacturer's Web site. 172 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 183
up properly. Check for the device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status. To access Device Manager . The network controller is defective. Contact an authorized service provider. Solving Network Problems 173 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 184
network controller requires drivers. Verify that the drivers were not accidentally deleted when the drivers for a new device. The network controller is defective. Contact an authorized service provider. New network card will not boot. Cause Solution Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 185
Remote System Installation Server contains the NIC drivers for your NIC. System setup utility reports unprogrammed EEPROM. Cause Solution Unprogrammed EEPROM. Contact an authorized service provider. Solving Memory Problems If you encounter memory problems, some common causes and solutions are - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 186
the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving Processor Problems If you encounter processor problems, common causes and solutions are listed in the processor heat sink is installed properly. 176 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 187
by a two second pause. Cause Solution The current processor does not support a feature previously enabled on this system. 1. Install a TXT (Trusted that came with the optional device. Table 8-14 Solving CD-ROM and DVD Problems System will not boot from CD-ROM or DVD drive. Cause Solution The - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 188
within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility fully extended, then remove the disc. 178 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 189
2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or impossible. Cause Solution Wrong widely between manufacturers. Solving USB Flash Drive Problems If you encounter USB flash drive problems, common causes and solutions are listed in - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 190
a different flash drive. Solving Front Panel Component Problems If you encounter problems with devices connected to the front panel, refer end is connected to a live outlet. The correct device driver is not installed. 1. Install the correct driver for the device. 2. You might need to reboot the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 191
and ensure that the USB ports are set to Enabled in Security > USB Security. Solving Internet Access Problems If you encounter Internet access problems, consult your Internet Service Provider (ISP) or refer to the common causes and solutions listed in the following table. Unable to connect - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 192
drivers have been installed. ● If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. 182 Chapter 8 Troubleshooting - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 193
hard drive for errors, or use Windows Startup Repair to fix problems that might prevent Windows from starting correctly. Windows Startup Repair is , and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, and then select Automatic Repair. Windows starts - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 194
to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. Refer to the number listed in the warranty or in the Support Telephone Numbers guide for technical assistance. 184 Chapter 8 Troubleshooting Without Diagnostics - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 195
To help troubleshoot and diagnose can then be provided to the call agent, who will either schedule support or provide replacement parts. How to access and run HP PC Hardware computer and press Esc repeatedly until the BIOS boot menu appears. 2. Press F2 or select Diagnostics (F2). Why run - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 196
. c. Third - in the BIOS, a core set of diagnostics (for memory and hard disk drive) that are accessible only if the USB or hard disk drive versions are not detected. Downloading HP PC Hardware Diagnostics to a USB device 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 197
such as memory count and non-error text messages. If a POST error occurs, the screen will display the error message. To manually switch to 3. If an expansion board was recently added, remove it to see if the problem remains. 4. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 198
time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 199
. Rearrange the DIMMs so that each channel has the same amount of memory. 1. If additional memory was recently added, remove it to see if the problem remains. 2. Check product documentation for memory support information. 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 200
on. 4. Replace the graphics card (if possible). 510-Flash Screen Image Corrupted Flash Screen image has errors. Reflash the system ROM with the latest BIOS image. 511-CPU, CPUA, or CPUB Fan not Detected CPU fan is not connected or may have malfunctioned. 1. Reseat CPU fan. 2. Reseat fan cable - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 201
921-Device in PCI Express slot failed to initialize There is an incompatibility/problem with this device and the system or PCI Express Link could not be drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. 1796-SATA Cabling - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 202
back to RAID and select File > Save Changes and Exit. 1801-Microcode Patch Error Processor is not supported by ROM BIOS. 1. Upgrade BIOS to proper version. 2. Change the processor. 2200-PMM Allocation Error during MEBx Download Memory error during POST execution of the Management Engine (ME - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 203
error during communication with ME. 1. Reboot the computer. 2. If the error persists, update to the latest BIOS version. 3. If the error still persists, replace the system board. 2211-Memory not configured correctly for proper MEBx execution. DIMM1 or XMM1 is not installed. Make sure there is - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 204
Error occurred during MEBx execution which 1. Reboot the computer. fails into "ME" grouping. 2. If the error persists, update to the latest BIOS version and ME firmware version. 3. If the error still persists, replace the system board. 2232-AMT error during MEBx execution Error occurred during - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 205
unlock failure Special system configurations with reduced ME firmware image require BIOS control of ME firmware upgrading. A failure has occurred prior Reboot the computer. 2. If the error persists, update to the latest BIOS version and ME firmware version. 3. If the error still persists, replace - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 206
then replace heat sink/fan assembly. 4. Contact an authorized reseller or service provider. Red Power LED flashes three 3 times, once every second, Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video memory error. CAUTION: To avoid damage to the DIMMs - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 207
every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Invalid ROM based on bad checksum. 1. Reflash the system ROM with the latest BIOS image. 2. Replace the system board. Red Power LED flashes nine 9 times, once every second - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 208
every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. The current processor does 1. Install a TXT capable processor. not support a feature previously enabled on this system. 2. Disable TXT in the Computer Setup (F10) utility - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 209
security password features, which can be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password. When you establish only a setup password - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 210
the Safety & Regulatory Information guide for more information. 3. & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. 5. the CMOS The computer's configuration memory (CMOS) stores information about settings in the Management Engine BIOS Extension (MEBx), including the - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 211
electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the computer cover or access panel. CAUTION: Pushing system board components, see the Illustrated Parts & Service Map (IPSM). Clearing and Resetting the CMOS 201 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 212
and rebooting advising you that configuration changes have occurred. Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see Computer Setup (F10) Utility on page 10. 202 Chapter 11 Password Security and Resetting CMOS - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 213
documentation for instructions on making backup support/contactHP. System Restore If you have a problem that might be due to software that you installed on your computer, use System Restore to return the computer to a previous restore point. You can also set restore points manually and drivers. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 214
or DVD or to a USB flash drive. NOTE: In some cases, you must use recovery media for this procedure. To create this media, follow the instructions in Creating recovery media on page 206. If the computer is working and Windows 7 is responding, use these steps to perform a System Recovery. 1. Turn off - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 215
System Recovery when Windows is not responding CAUTION: System Recovery deletes all data and programs you created or installed. If Windows is not responding, but the computer is working, follow these steps to perform a System Recovery. 1. Turn off the computer. If necessary, press and hold the power - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 216
with a larger USB flash drive. Click Next. NOTE: Recovery Media Creation formats the flash drive, deleting any files on it. 6. Follow the on-screen instructions. When the process is complete, label the USB flash drive and store it in a secure place. NOTE: Do not use media cards for creating recovery - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 217
then select from the list of displayed options. NOTE: For detailed instructions on various backup and restore options, perform a search for these topics in Help and Support. From the Start screen, type h, and then select Help and Support. In case of system instability, HP recommends that you print - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 218
Support for more information. From the Start screen, type h, and then select Help and Support of displayed options. 2. Follow the on-screen instructions to set up your backup, create a system can also use Windows Automatic Repair to fix problems that might prevent Windows from starting correctly. - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 219
type h, and then select Help and Support. To recover your information using Automatic Repair Troubleshoot, select Advanced Options, and then select Automatic Repair. 5. Follow the on-screen instructions the operating system and HP programs and drivers that were installed at the factory. Software - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 220
www.hp.com/support, select your country or region, and follow the on-screen instructions. You can also order the media by calling support. CAUTION: recovery process helps you restore the operating system, as well as drivers, software, and utilities. To initiate recovery using Windows 8 operating - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 221
A Battery Replacement The battery that comes with the computer provides power to the real-time clock. When replacing the battery, use a battery equivalent to the battery originally installed in the computer. The computer comes with a 3-volt lithium coin cell battery. WARNING! The computer contains - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 222
7. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery. Type 1 a. Lift the battery out of its holder. Figure A-1 Removing a Coin Cell Battery (Type 1) b. Slide the replacement battery into position, positive - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 223
b. Insert the new battery and position the clip back into place. Figure A-3 Removing a Coin Cell Battery (Type 3) Type 4 a. To release the battery from its holder, insert a pointed tool in the slot to loosen the battery (1). When the battery pops up, slide it out from under the holder, and lift it - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 224
B Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 225
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 226
C Specifications MT Specifications Table C-1 Specifications Chassis Height Width Depth 14.9 in 7.0 in 17.0 in 37.7 cm 17.7 cm 43.1 cm Approximate Weight 20.5 lb 9.3 kg Temperature Range - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 227
SFF Specifications Table C-2 Specifications Chassis (in the desktop position) Height Width Depth 4.0 in 13.3 in 14.9 in 10.0 cm 33.8 cm 37.9 cm Approximate Weight Weight Supported (maximum distributed load in desktop position) 16.7 lb 77 lb 7.6 kg 35 kg Temperature Range Operating - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 228
49 CD-ROM or DVD problems 177 chasis types, illustrated 45 chassis fan, MT spare part number 32 chassis fan, SFF spare part number 43 chassis stand power cord set requirements 215 Customer Support 146, 184 D DIMMs. See memory disassembly preparation MT 54 SFF 99 DisplayPort cable spare part number - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 229
battery 211 MT drive cables 70 MT expansion card 64 MT hard drive 78 MT media card reader 75 MT memory 60 MT optical drive 75 SFF drive cables 117 SFF expansion card 109 SFF hard drive 125 SFF media card reader 123 SFF memory 105 SFF optical drive 119 Internet access problems 181 K keyboard - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 230
181 keyboard 166 Media Card Reader 156 memory 175 monitor 158 mouse 166 network 171 power 152 printer 165 processor 176 software 182 processor MT removal and replacement 90 SFF removal and replacement 141 spare part number 26, 34, 36, 43 processor problems 176 product ID locations 6 R rear chassis - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 231
T-15 screwdriver 50 speaker MT removal and replacement 91 MT spare part number 91 SFF removal and replacement 138 SFF spare part number 138 speaker, MT spare part number 29, 32 speaker, SFF spare part number 39, 42 specifications computer 216, 217 MT memory 60 SFF memory 105 static electricity 45 - Compaq Pro 6305 | Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 232
SATA connectors 52 SFF removal and replacement 143 SFF spare part number 143 system board connections MT 69 SFF 115 system board, MT spare part number 26, 34 system board, SFF spare part number 35, 44 T tamper-proof screws tool 50 temperature control 48 tools, servicing 50 Torx T15 screwdriver 50
Maintenance and Service Guide
HP Compaq Pro 6305 Microtower Business PC
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