HP EliteOne 870 Maintenance and Service Guide - Page 3

Table of contents

1

Computer features

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1

Standard conﬁguration features

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1

Front panel components

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1

Rear panel components

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2

Side panel components

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3

Bottom components

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4

Serial number location

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4

2

Illustrated parts catalog

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5

Computer major components

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5

Miscellaneous parts

...........................................................................................................................................................

7

3

Routine care, SATA drive guidelines, and disassembly preparation

...................................................................................

10

Electrostatic discharge information

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10

Generating static electricity

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10

Preventing electrostatic damage to equipment

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11

Personal grounding methods and equipment

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11

Grounding the work area

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12

Recommended materials and equipment

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12

Operating guidelines

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13

Routine care

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13

General cleaning safety precautions

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13

Cleaning the computer case

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14

Cleaning the keyboard

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14

Cleaning the monitor

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14

Cleaning the mouse

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15

Service considerations

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15

Tools and software requirements

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15

Screws

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15

Cables and connectors

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15

Hard drives

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15

Lithium coin cell battery

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16

Cable management

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16

4

Removal and replacement procedures

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17

Preparation for disassembly

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17

Removing stand

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17

Rear cover

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18

Memory modules (SODIMMs)

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19

iii

Section	Page
Computer features	8
Standard configuration features	8
Front panel components	8
Rear panel components	9
Side panel components	10
Bottom components	11
Serial number location	11
Illustrated parts catalog	12
Computer major components	12
Miscellaneous parts	14
Routine care, SATA drive guidelines, and disassembly preparation	17
Electrostatic discharge information	17
Generating static electricity	17
Preventing electrostatic damage to equipment	18
Personal grounding methods and equipment	18
Grounding the work area	19
Recommended materials and equipment	19
Operating guidelines	20
Routine care	20
General cleaning safety precautions	20
Cleaning the computer case	21
Cleaning the keyboard	21
Cleaning the monitor	21
Cleaning the mouse	22
Service considerations	22
Tools and software requirements	22
Screws	22
Cables and connectors	22
Hard drives	22
Lithium coin cell battery	23
Cable management	23
Removal and replacement procedures	24
Preparation for disassembly	24
Removing stand	24
Rear cover	25
Memory modules (SODIMMs)	26
Solid-state drive	28
WLAN module	29
Scalar board	31
Graphics board	32
Fans	33
Audio board	34
Card reader	34
Fingerprint reader	35
Speakers	36
USB/power button board	37
Stand bracket	38
Battery	39
Heat sink	40
Processor	42
Camera switch board assembly	43
Camera assembly	44
Power supply	45
Power supply fan	46
System board	47
System board components	49
Display panel, 60.5 cm (23.8 inch) models	50
Display panel, 68.6 cm (27.0 inch) models	52
Antennas	54
Troubleshooting without diagnostics	56
Before you call for technical support	56
Helpful hints	57
Solving general problems	57
Cannot access the Computer Setup (F10) Utility when booting the computer	58
Computer appears locked up and will not turn off when the power button is pressed	58
Computer will not respond to keyboard or mouse	58
Computer date and time display is incorrect	58
There is no sound or sound volume is too low	58
Cannot remove computer cover or access panel	59
Poor performance	59
Computer turned off automatically and the power light blinks red four times and then white two times	60
System does not turn on and the lights on the front of the computer are not blinking	60
Solving power problems	61
Power supply shuts down intermittently	61
Computer turned off automatically, power light blinks red two times followed by a two-second pause, and the computer beeps two times (Beeps stop after fifth iteration but lights continue blinking)	61
Power light blinks red four times followed by a two-second pause and the computer beeps four times (Beeps stop after fifth iteration but lights continue blinking)	62
Solving audio problems	62
Sound cuts in and out	62
Sound does not come out of the speaker or headphones	62
Computer appears to be locked up while recording audio	63
Line-in jack is not functioning properly	63
Solving printer problems	63
Printer will not print	63
Printer will not turn on	64
Printer prints garbled information	64
Printer will not print	64
Solving keyboard and mouse problems	65
Keyboard commands and typing are not recognized by the computer	65
Mouse does not respond to movement or is too slow	65
Solving hardware installation problems	65
A new device is not recognized as part of the system	66
Computer will not start	66
Power light blinks red three times and then white two times	66
Solving network problems	67
Network driver does not detect network controller	67
Network status link light never blinks	67
Diagnostics reports a failure	68
Diagnostics passes, but the computer does not communicate with the network	68
Network controller stopped working when an expansion board was added to the computer	68
Network controller stops working without apparent cause	68
Cannot connect to network server when attempting remote system installation	69
System setup utility reports unprogrammed EEPROM	69
Solving memory problems	69
System will not boot or does not function properly after installing additional memory modules	69
Out of memory error	70
Memory count during POST is wrong	70
Insufficient memory error during operation.	70
Power light blinks red five times followed by a two-second pause and the computer beeps five times (Beeps stop after fifth iteration but lights continue blinking)	70
Solving USB flash drive problems	70
USB flash drive is not seen as a drive letter in Windows	70
USB flash drive not found (identified)	71
System will not boot from USB flash drive	71
The computer boots to DOS after making a bootable flash drive	71
Solving internet access problems	71
Unable to connect to the internet	71
Cannot automatically launch internet programs	72
Solving software problems	72
Computer will not start up and the HP logo does not appear	72
“Illegal Operation has Occurred” error message is displayed	73
Computer Setup (F10) Utility	74
Using Computer Setup (F10) Utilities	74
Computer Setup Main	75
Computer Setup Security	78
Computer Setup Advanced	83
POST error messages	91
POST numeric codes and text messages	91
Interpreting POST diagnostic front panel lights and audible codes	97
Password security and resetting CMOS	99
Changing a setup or power-on password	99
Deleting a setup or power-on password	99
Backing up, restoring, and recovering	101
Backing up information and creating recovery media	101
Using Windows tools for backing up	101
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	101
Restoring and recovering your system	101
Creating a system restore	102
Restoring and recovery methods	102
Recovering using HP Recovery media	102
Changing the computer boot order	103
Using HP Sure Recover (select products only)	103
Using HP PC Hardware Diagnostics	104
Using HP PC Hardware Diagnostics Windows (select products only)	104
Using an HP PC Hardware Diagnostics Windows hardware failure ID code	104
Accessing HP PC Hardware Diagnostics Windows	104
Accessing HP PC Hardware Diagnostics Windows from HP Help and Support (select products only)	104
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant	105
Accessing HP PC Hardware Diagnostics Windows from the Start menu (select products only)	105
Downloading HP PC Hardware Diagnostics Windows	105
Downloading the latest HP PC Hardware Diagnostics Windows version from HP	105
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store	105
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	106
Installing HP PC Hardware Diagnostics Windows	106
Using HP PC Hardware Diagnostics UEFI	106
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code	106
Starting HP PC Hardware Diagnostics UEFI	107
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive	107
Downloading the latest HP PC Hardware Diagnostics UEFI version	107
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	108
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	108
Downloading Remote HP PC Hardware Diagnostics UEFI	108
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	108
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	108
Customizing Remote HP PC Hardware Diagnostics UEFI settings	108
Statement of memory volatility	110
Current BIOS steps	110
Nonvolatile memory usage	112
Questions and answers	114
Using HP Sure Start (select products only)	116
Power cord set requirements	117
General requirements	117
Japanese power cord requirements	117
Country-specific requirements	117
Specifications	119

HP EliteOne 870 Maintenance and Service Guide - Page 3

Table of contents

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