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HP EliteOne 800 Maintenance & Service Guide HP EliteOne 800 G1 All-in-One - Page 106

To install the power button board, reverse the removal procedures., board to the computer

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7. Disconnect the two cables (1) from the board, and then remove the Torx screw that secures the board to the computer (2). 8. Remove the power button board from the computer. To install the power button board, reverse the removal procedures. 96 Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis

Section	Page
Product features	11
Overview	11
Front components	13
Side components	14
Rear components	15
Positioning the computer	16
Adjusting the height-adjustable/recline stand (optional)	16
Adjusting the tilt/swivel stand (optional)	18
Activating and Customizing the Software	19
Activating and customizing the software in Windows 7	19
Activating the Windows operating system	19
Downloading Windows 7 updates	20
Installing or upgrading device drivers	20
Customizing the monitor display	20
Activating and customizing the software in Windows 8	20
Activating the Windows Operating System	20
Downloading Windows 8 updates	21
Customizing the monitor display	21
Illustrated parts catalog	22
System parts	22
Misc parts	24
Keyboards and mice	25
Mass storage devices	25
Boards	26
Cables	27
Sequential part number listing	28
Routine care, SATA drive guidelines, and disassembly preparation	36
Electrostatic discharge information	36
Generating static	37
Preventing electrostatic damage to equipment	37
Personal grounding methods and equipment	38
Grounding the work area	38
Recommended materials and equipment	38
Operating guidelines	39
Routine care	40
General cleaning safety precautions	40
Cleaning the Computer Case	40
Cleaning the keyboard	40
Cleaning the monitor	41
Cleaning the mouse	41
Service considerations	41
Power supply fan	41
Tools and software Requirements	42
Screws	42
Cables and connectors	42
Hard Drives	42
Lithium coin cell battery	43
SATA hard drives	43
SATA hard drive cables	44
SATA data cable	44
SMART ATA drives	44
Cable management	44
Removal and Replacement Procedures All-in One (AIO) Chassis	45
Preparing to disassemble the computer	45
Removing the rear I/O cover	46
Stand	47
Height-adjustable/recline stand (optional)	47
Tilt/swivel stand (optional)	49
Installing an access panel security screw	50
Access panel	51
Drives	53
Replacing a hard disc drive	53
Removing a 2.5-inch hard disc drive	54
Installing a 2.5-inch hard disc drive	56
Replacing the optical disc drive	58
mSATA Solid-State Drive	61
Memory	62
Battery	65
WLAN module	67
Card reader board	69
Optical drive latch	71
Heat sink – Graphics board and processor	73
Graphics heat sink	73
Processor heat sink	74
Processor	76
Graphics board	77
Top rear trim	79
Webcam module	80
Antenna	82
Lower rear panel	84
Fan assembly	86
Speakers	88
Converter board	90
NFC sensor board	92
VESA mounting plate	94
Power supply	96
System board	98
Side panels	102
Power button board	104
Front bezel and display panel	107
Hard drive and optical drive cables and connectors	113
Computer Setup (F10) Utility	115
Computer Setup (F10) Utilities	115
Using Computer Setup (F10) Utilities	116
Computer Setup—File	116
Computer Setup—Storage	118
Computer Setup—Security	121
Computer Setup—Power	126
Computer Setup—Advanced	128
Recovering the Configuration Settings	130
HP PC Hardware Diagnostics	131
Why run HP PC Hardware Diagnostics – UEFI	131
How to access and run HP PC Hardware Diagnostics - UEFI	131
Downloading HP PC Hardware Diagnostics to a USB device	132
Troubleshooting without diagnostics	133
Safety and comfort	133
Before you call for technical support	133
Helpful hints	134
Solving general problems	136
Solving power problems	140
Solving hard drive problems	141
Solving media card reader problems	144
Solving display problems	145
Solving audio problems	151
Solving printer problems	153
Solving keyboard and mouse problems	154
Solving Hardware Installation Problems	157
Solving Network Problems	159
Solving memory problems	163
Solving processor problems	165
Solving CD-ROM and DVD problems	166
Solving USB flash drive problems	168
Solving front panel component problems	169
Solving Internet access problems	169
Solving software problems	171
System backup and recovery	173
Backing up, restoring, and recovering in Windows 8	173
Creating recovery media and backups	174
Restoring and recovering using Windows 8 tools	175
Using Windows 8 Refresh	175
Using Windows 8 Reset	176
Recovery using the Windows 8 recovery USB flash drive	177
Recovery using Windows 8 operating system media (purchased separately)	178
Backing up, restoring, and recovering in Windows 7	179
Creating recovery media	179
Creating recovery media using HP Recovery Manager (select models only)	180
Creating recovery discs with HP Recovery Disc Creator (select models only)	181
Creating recovery discs	181
Backing up your information	182
System Restore	182
System Recovery	183
System Recovery when Windows is responding	183
System Recovery when Windows is not responding	184
System Recovery using recovery media (select models only)	184
Using HP Recovery Disc operating system discs (select models only)	185
POST error messages	187
POST numeric codes and text messages	188
Interpreting POST diagnostic front panel LEDs	196
Password security and resetting CMOS	199
Establishing a setup or power-on password	200
Resetting the setup and power-on password	200
Clearing and resetting the CMOS	201
Power cord set requirements	203
General requirements	203
Japanese power cord requirements	203
Country-specific requirements	204
Specifications	205