HP EliteDesk 800 G4 Workstation Edition User Manual download pdf (Page 26)

Access panel

To access internal components, you must remove the access panel:

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

2. Slide the access panel release lever to the left (1) so that it locks into place. Then slide the access panel

back (2) and lift it o the computer (3).

To replace the access panel, reverse the disassembly procedures.

18 Chapter 4 Removal and replacement procedures

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 150 151

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 12
2 Illustrated parts catalog 13
Computer major components 7 15
Miscellaneous parts 16
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 security 28
Removing bezel blanks 29
System board connections 31
Populating DIMM sockets 32
Removing and installing DIMMs 33
Drive cage 35
Drive positions 36
Removing a 5.25-inch drive 37
Installing a 5.25-inch drive 38
Expansion cards 53
Optional rear port 58
Rear fan 59
Hood lock (solenoid) 60
Hood sensor 61
Option board 62
Fan sink 63
Up to 65 W processor models 64
95 W processor models 64
Processor 66
WLAN module 67
Card reader 69
Power supply 70
Antennas 71
System board 73
System board callouts 76
Computer Setup–Main 79
Computer Setup—Security 81
Computer Setup—Advanced 84
Computer Setup—UEFI Drivers 89
Safety and comfort 90
Helpful hints 91
Solving general problems 92
Solving general problems 85 93
Solving general problems 87 95
Solving power problems 96
Solving hard drive problems 97
Solving display problems 100
Solving display problems 93 101
Solving audio problems 103
Solving printer problems 105
Solving Network Problems 109
Solving memory problems 111
Solving software problems 117
Resetting the password jumper 125
A Battery replacement 133
B Power cord set requirements 136
Country-Specic Requirements 137
Nonvolatile memory usage 140
Nonvolatile memory usage 133 141
Questions and answers 142
D Linux technical notes 144
Hyper-Threading Technology 145
NVIDIA graphics workstations 146
AMD graphics workstations 147
E Specications 148

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HP EliteDesk 800 G4 Workstation Edition User Manual Page 26

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