HP Chromebook 15.6 inch 15a-nb0000 Maintenance and Service Guide
HP Chromebook 15.6 inch 15a-nb0000 Manual
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- HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 1
Maintenance and Service Guide SUMMARY This guide provides maintenance information about such topics as spare parts, removal and replacement of parts, security, and backing up. - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 2
for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be access the latest user guides, go to http://www.hp.com/support, and follow the instructions to find your product. Then select Manuals. Software terms By - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 3
Safety warning notice Reduce the possibility of heat-related injuries or of overheating the computer by following the practices described. WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 4
replacement procedures preliminary requirements...18 Tools required ...18 Service considerations...18 Plastic parts...18 Cables and connectors and transporting guidelines...24 Accessing support information ...25 5 Removal and replacement procedures for authorized service provider parts 27 Component - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 5
Bottom cover ...27 Battery...28 WLAN module...30 Speakers...32 Heat sink ...33 Fan, 15 W models only...35 USB board ...36 Touchpad ...38 System board ...43 Display assembly...45 Top cover with keyboard ...53 6 Backing up, resetting, and recovering ...54 Backing up ...54 Resetting...54 Recovering... - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 6
, BrightView, 250 nits, touch-on panel (TOP) Memory Onboard, not customer accessible or upgradeable supporting up to 8 GB of RAM LPDDR5-4800 single-channel support Supports the following configurations: ● 8 GB Primary storage ● 4 GB Embedded MultiMedia Controller (eMMC) 5.0 64 GB Universal - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 7
) 3 cell, 58 Whr (for use with i3 processor) 3 cell, 54 Whr (for use with i3 processor; not available with 144 Hz panel) Supports battery fast charge Smart AC adapter (USB Type-C, nonpower factor correction [nPFC], straight, 1.8 m [6 ft]) 45 W Power cord C5, conventional, power cord with - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 8
Microphone mute Camera privacy cover Operating system Google Chrome™ Premium (models with an i3 processor) Google Chrome Non-Premium (models with N200 or N100 processor) Serviceability End user replaceable parts AC adapter Product description 3 - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 9
2 Components Your computer features top-rated components. This chapter provides details about your components, where they are located, and how they work. Right Use the illustration and table to identify the components on the right side of the computer. Table 2-1 Right-side components and their - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 10
powered stereo speakers, headphones, earbuds, a headset, or a television audio cable. Also connects an optional headset microphone. This jack does not support optional standalone microphones. WARNING! To reduce the risk of personal injury, adjust the volume before putting on headphones, earbuds, or - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 11
Table 2-2 Left-side components and their descriptions (continued) Component Description (3) USB Type-C power connector and 5 Gbps Connects an AC adapter that has a USB Type-C port with DisplayPort output connector, supplying power to the computer and, if needed, charging the computer battery. - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 12
Table 2-3 Display components and their descriptions Component Description (1) WLAN antennas* Send and receive wireless signals to communicate with wireless local area networks (WLANs). (2) Internal microphones (2) Record sound. (3) Camera Allows you to video chat, record video, and record - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 13
Table 2-4 Touchpad component and description Component Description Touchpad zone Reads your finger gestures to move the pointer or activate items on the screen. Special keys Use the illustration and table to locate the special keys. Backlit keyboard Non-backlit keyboard Table 2-5 Special keys - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 14
Table 2-5 Special keys and their descriptions (continued) Component Description (4) Power key ● When the computer is off, press the key briefly to turn on the computer. ● When the computer is on, press the key briefly to initiate Sleep. ● When the computer is in the Sleep state, press the key - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 15
computer provide information you might need when you troubleshoot system problems or travel internationally with the computer. Labels the bottom of a tablet kickstand. ● Service label-Provides important information to identify your computer. When contacting support, you might be asked for the serial - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 16
Table 2-9 Service label components Component (1) HP product name (2) Warranty period (3) Product ID (4) Serial number ● Regulatory labels-Provide regulatory information about the computer. ● Wireless certification labels-Provide information - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 17
supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. NOTE: Details about your computer, including model, serial number, product key, and length of warranty, are on the service tag at the - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 18
Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number (1) Display assembly NOTE: Display assemblies are offered as spare parts only at a subcomponent level. For more information, see Display assembly subcomponents on page 14. not available as a spare - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 19
Table 3-1 Computer major component descriptions and part numbers (continued) Item Component Spare part number Natural silver, 15 W models N59797-001 Mineral silver N45595-001 (12) USB board NOTE: On 6 W models, the USB board high-speed cable is available using spare part number N45601-001, - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 20
Table 3-2 Display component descriptions and part numbers Item Component (1) Display bezel (includes hinge covers and camera privacy cover) Natural silver Mineral silver (2) Display panel NOTE: The display panel adhesive kit is available as spare part number N45611-001. FHD, UWVA, nontouch - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 21
Table 3-2 Display component descriptions and part numbers (continued) Item Component FHD, UWVA, touch screen HD, nontouch HD, touch panel (3) Camera module FHD HD (4) Hinges (includes left and right display hinges) (5) Top bracket (6) Camera cable (7) Display panel cable Touch panel - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 22
Table 3-3 Miscellaneous part descriptions and part numbers (continued) Component Europe (Austria, Belgium, Finland, France, Germany, the Netherlands, Norway, and Sweden) India North America South Africa Switzerland United Kingdom Spare part number L19361-001 L19363-001 L19367-001 L19369-001 L19370- - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 23
during disassembly and reassembly can damage plastic parts. Cables and connectors Handle cables with extreme care to avoid damage. IMPORTANT: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 24
● Before handling a drive, be sure that you are discharged of static electricity. While handling a drive, avoid touching the connector. ● Before removing an optical drive, be sure that a disc is not in the drive, and be sure that the optical drive tray is closed. ● Handle drives on surfaces covered - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 25
Table 4-1 Static electricity occurrence based on activity and humidity Relative humidity Event 55% 40% Walking across carpet 7,500 V 15,000 V Walking across vinyl floor 3,000 V 5,000 V Motions of bench worker 400 V 800 V Removing dual in-line packages (DIPs) from plastic tube 400 V - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 26
tabletop workstations with ground cord of 1 MΩ ±10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing 1 MΩ ±10% resistance ● Material handling packages Grounding the work area 21 - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 27
● Conductive plastic bags ● Conductive plastic tubes ● Conductive tote boxes ● Opaque shielding bags ● Transparent metallized shielding bags ● Transparent shielding tubes Cleaning your computer Cleaning your computer regularly removes dirt and debris so that your device continues to operate at its - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 28
3. Moisten a microfiber cloth with water. The cloth should be moist, but not dripping wet. IMPORTANT: To avoid damaging the surface, avoid abrasive cloths, towels, and paper towels. 4. Wipe the exterior of the product gently with the moistened cloth. IMPORTANT: Keep liquids away from the product. - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 29
4. Wipe the exterior of the product gently with the moistened cloth. IMPORTANT: Keep liquids away from the product. Avoid getting moisture in any openings. If liquid makes its way inside your HP product, it can cause damage to the product. Do not spray liquids directly on the product. Do not use - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 30
support information To find the HP support that you need, use this information. Table 4-3 Support information locations Service Problem solving to display more options. 3. Select Support & Troubleshooting. 4. Type the serial number, product number, or product name to go to the product support - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 31
Repair professionals To locate repair professionals: 1. Go to www.hp.com. 2. Place the cursor over Support resources to display more options. 3. Select Authorized service providers. Component and diagnosis information, failure detection, and required action To locate diagnosis information and - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 32
serial number, product key, and length of warranty, are on the service tag at the bottom of your computer. Component replacement procedures To remove about supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 33
the bottom cover, reverse the removal procedures. Battery To remove the battery, use this procedure and illustration. 28 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 34
Table 5-2 Battery description and part number Description 3 cell, 58 Whr 3 cell, 54 Whr 2 cell, 47 Whr Spare part number M12585-005 N32017-005 L75783-005 WARNING! To avoid personal injury and damage to the product: ● Do not puncture, twist, or crack the battery. ● Do not cause an external puncture - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 35
descriptions and part numbers Description MediaTek MT7921 Wi-Fi 6 Bluetooth 5.3 WW WLAN Spare part number N45619-001 30 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 36
. 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 (see Preparation for disassembly on page 27). 2. Remove - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 37
speaker cable from the clips (4) along the bottom of the battery. 5. Remove the speakers from the computer (5). 32 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 38
Remove the speakers from 15 W models: 1. Lift the shielding (1) from the speaker connector on the system board. 2. Disconnect the speaker cable (2) from the system board. 3. Remove the two Phillips M1.6 × 2.5 screws (3) from each speaker. 4. Remove the speaker cable from the clips (4) under the - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 39
. Remove the heat sink from 15 W models: 1. Remove the four Phillips M2.0 × 3.0 screws (1) from the heat sink. 34 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 40
2. Remove the heat sink from the computer (2). 3. Thoroughly clean the thermal material from the surface on the system board each time the heat sink is removed. The following illustration shows the replacement thermal material location on the system board. Be sure to apply gray thermal grease to - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 41
board, and then remove the bracket (2). 2. Lift the Mylar (3) that covers each connector on the USB board. 36 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 42
3. Disconnect the two cables from the reverse ZIF connectors (4) on the USB board. 4. Lift the inside of the board up, and then pull it into the computer to remove it (5). Remove the USB board from 6 W models: 1. Remove the five Phillips M2.0 × 3.5 screws (1) that secure the USB bracket and board, - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 43
the six Phillips M2.0 × 2.5 screws (1) from the touchpad bracket, and then remove the bracket from the computer (2). 38 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 44
Remove the touchpad from 15 W models: 1. Remove the speaker cable from the three rubber cable clips on the touchpad. 2. Remove the three rubber cable clips (1) and two rubber bumpers (2) from the touchpad. Touchpad 39 - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 45
touchpad from the computer (5). Remove the touchpad from 6 W models: ■ Remove the two rubber bumpers from the touchpad. 40 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 46
1. Lift the tape from the connector (1), and then disconnect the touchpad cable from the ZIF connector (2) on the touchpad. 2. Lift the Mylar (3) that covers the screws on the top of the touchpad. 3. Remove the three Phillips M2.0 × 2.0 screws (4) from the top of the touchpad. 4. Remove the touchpad - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 47
with the associated dimples (1). Be sure to align the Mylar with the left edge of the touchpad (2). 42 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 48
System board To remove the system board, use these procedures and illustrations. Table 5-9 System board descriptions and part numbers Description Intel Core i3-N305 processor, 8 GB of system memory, 256 GB UFS memory Intel Core i3-N305 processor, 8 GB of system memory, 128 GB UFS memory Intel Core - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 49
40°, and then pull the system board away from the connectors to remove it from the computer (5). 44 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 50
Remove the system board from 15 W models: 1. Remove the three Phillips M2.0 × 3.5 screws (1) and the four Phillips M2.0 × 3.0 screws (2) that secure the system board to the computer. 2. Remove the bracket (3) from the system board. 3. Lift the inside of the system board (4) up to approximately 40°, - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 51
open the hinges (1). 8. Remove the four Phillips M2.5 × 5.0 screws (2) that secure the display assembly to the computer. 46 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 52
9. Separate the display from the computer (3). 10. To remove the display bezel: a. Release the top edge of the display bezel (1) from the display assembly. b. Release the left and right edges of the display bezel (2) from the display assembly. c. From either the left or right side, use tweezers or - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 53
cable connector to the display panel. d. Open the locking bar (2) that secures the cable to the connector. 48 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 54
e. Disconnect the cable (3) from the display panel. f. When installing a display panel, be sure to install the adhesive strips along the right and left sides of the inside of the display back cover as shown in the following illustration. 12. To remove the hinges from the display back cover: a. From - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 55
spare part number N45612-001. The HD camera module is available as spare part number N45613-001. 50 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 56
15. To remove the display cable: ■ Remove the cable from the clips at the bottom of the cover. The display cable is available as the following spare part numbers: ● N45617-001: Touch panel ● N45616-001: Nontouch, 144 Hz panel ● N45615-001: Nontouch panel 16. To remove the camera cable: The camera - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 57
a MediaTek MT7921 Wi-Fi 6 WLAN module (models with 8 GB of system memory and Universal Flash Storage [UFS]) 52 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 58
● N59796-001: Mineral silver, models an Intel AX211 Wi-Fi 6E WLAN module (models with 8 GB of system memory and Universal Flash Storage [UFS]) To reassemble and replace the display assembly, reverse this procedure. Top cover with keyboard The top cover with keyboard remains after removing all other - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 59
creating a backup, go to http://www.support.google.com. Resetting A factory reset erases message "Reset this Chrome device." ● You are having problems with your user profile or settings. ● You restarted then select Continue. 5. Follow the on-screen instructions to reset your computer, and sign in with - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 60
information about performing a system recovery on your computer, go to http://www.support.google.com. Before you begin the recovery process, you need the following Utility from the Apps list, and follow the on-screen instructions. Creating recovery media You can use recovery media to recover - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 61
, select Recovery, and then select Get started. 4. Follow the on-screen instructions to create the recovery media. NOTE: All data and partitions on your recovery For details about setting up the computer, go to http://www.support.google.com. Erasing and reformatting the recovery media When you create - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 62
4. Select the USB flash drive or SD memory card that you inserted, select Continue, and then select Erase now. 5. After the recovery media is erased, select Done to close the Chromebook Recovery Utility, and then remove the USB flash drive or SD memory card. The media is ready to be formatted using - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 63
7 Specifications This chapter provides specifications for your computer system. Computer specifications This section provides specifications for your computer. When traveling with your computer, the computer dimensions and weights, input power ratings, and operating specifications provide helpful - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 64
Table 7-2 Display specifications (continued) Metric U.S. Resolution 1920 × 1080 (FHD) 1366 × 768 (HD) Surface treatment Antiglare BrightView Brightness 250 nits Viewing angle UWVA SVA Backlight WLED Display panel interface eDP Display specifications 59 - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 65
8 Power cord set requirements This chapter provides power cord requirements for countries and regions. The wide-range input feature of the computer permits it to operate from any line voltage from 100 V AC to 120 V AC, or from 220 V AC to 240 V AC. The three-conductor power cord set included with - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 66
Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number Germany VDE 1 India BIS 1 Israel SII 1 Italy IMQ 1 Japan JIS 3 Netherlands KEMA 1 New Zealand SANZ 1 Norway NEMKO 1 People's Republic - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 67
9 Recycling When a nonrechargeable or rechargeable battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 68
Index A AC adapter light 4, 5 AC adapters, spare part numbers 16 action keys identifying 8 audio-in (microphone) jack, identifying 5 audio-out (headphone) jack, identifying 5 audio, product description 2 B backing up 54 battery illustrated 13 light 4, 5 removal 28 spare part number 13 spare part - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 69
8 security, product description 2 serial number, computer 10 service labels, locating 10 serviceability, product description 3 solid-state drive product description 1 58 display 58 hard drive 58 static electricity 18, 19 support information 25 system board illustrated 13 removal 43 spare part number - HP Chromebook 15.6 inch 15a-nb0000 | Maintenance and Service Guide - Page 70
T top bracket illustrated 16 top cover with keyboard illustrated 13 spare part numbers 13, 53 touchpad illustrated 13 removal 38 spare part numbers 13, 38 touchpad 13 touchpad cable illustrated 13 spare part numbers 13 touchpad cable 13 touchpad zone, identifying 7 transporting guidelines 18, 24
Maintenance and Service Guide
SUMMARY
This guide provides maintenance information about such topics as spare parts, removal and replacement of
parts, security, and backing up.