HP EliteDesk 800 G4 Base Model Small Form Factor PC Manual de usuario descargar pdf (Pagina 60)

Option board

An option board can be installed near the back of the system board that provides an additional connector on

the rear I/O panel.

1. Prepare the computer for disassembly (Preparation for disassembly on page 17).

2. Remove the access panel (Access panel on page 18).

3. Remove the two Phillips screws (1) that secure the board to the system board.

4. Lift to disengage the board from the system board connector, and then remove the option board from

the computer

(2).

To reinstall the option board, reverse the removal procedure.

52 Chapter 4 Removal and replacement procedures

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 143 144

Maintenance and Service Guide 1
Safety warning notice 3
Table of contents 5
1 Product features 9
Front panel components 10
Rear panel components 11
Serial number location 11
2 Illustrated parts catalog 12
Computer major components 5 13
Miscellaneous parts 15
Generating static 17
Grounding the work area 18
Operating guidelines 19
Routine care 20
Service considerations 21
Cables and connectors 22
Hard Drives 22
Lithium coin cell battery 22
SATA hard drives 23
SATA data cable 23
SMART ATA drives 23
Cable management 24
Preparation for disassembly 25
Access panel 26
Front bezel 27
Front bezel dust lter 29
System board connections 30
Populating DIMM sockets 31
Removing and installing DIMMs 32
Expansion card 34
Expansion card 27 35
Drive positions 38
Drives 35 43
Drives 37 45
Drive cage 48
WLAN module 54
Hood lock 55
Card reader 56
Antennas 57
Air duct 59
Option board 60
Optional rear port 61
Fan sink 62
Up to 65 W processor models 63
95 W processor models 63
Fan sink 55 63
Processor 66
Power supply 67
System board 69
System board callouts 72
Computer Setup–Main 76
Computer Setup—Security 78
Computer Setup—Advanced 81
Computer Setup—UEFI Drivers 86
Safety and comfort 87
Helpful hints 88
Solving general problems 89
Solving general problems 83 91
Solving power problems 93
Solving hard drive problems 94
Solving display problems 97
Solving display problems 91 99
Solving audio problems 101
Solving printer problems 103
Solving network problems 106
Solving network problems 99 107
Solving memory problems 109
Solving software problems 114
Resetting the password jumper 122
A Battery replacement 130
B Power cord set requirements 133
Country-Specic Requirements 134
Nonvolatile memory usage 137
Questions and answers 139
D Specications 141

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HP EliteDesk 800 G4 Base Model Small Form Factor PC Manual de usuario Pagina 60

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