HP EliteDesk 800 G4 Base Model Small Form Factor PC Instrukcja Użytkownika Strona 7
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Computer Setup–Main ....................................................................................................................... 68
Computer Setup—Security ............................................................................................................... 70
Computer Setup—Advanced ............................................................................................................. 73
Computer Setup—UEFI Drivers ......................................................................................................... 78
Recovering the Conguration Settings ............................................................................................................... 78
6 Troubleshooting without diagnostics ............................................................................................................ 79
Safety and comfort .............................................................................................................................................. 79
Before you call for technical support .................................................................................................................. 79
Helpful hints ........................................................................................................................................................ 80
Solving general problems .................................................................................................................................... 81
Solving power problems ...................................................................................................................................... 85
Solving hard drive problems ................................................................................................................................ 86
Solving media card reader problems ................................................................................................................... 88
Solving display problems .................................................................................................................................... 89
Solving audio problems ....................................................................................................................................... 93
Solving printer problems ..................................................................................................................................... 95
Solving keyboard and mouse problems .............................................................................................................. 96
Solving hardware installation problems ............................................................................................................. 97
Solving network problems .................................................................................................................................. 98
Solving memory problems ................................................................................................................................ 101
Solving CD-ROM and DVD problems .................................................................................................................. 102
Solving USB ash drive problems ..................................................................................................................... 104
Solving front panel component problems ........................................................................................................ 105
Solving Internet access problems ..................................................................................................................... 105
Solving software problems ............................................................................................................................... 106
7 POST error messages and diagnostic front panel LEDs and audible codes ....................................................... 107
POST numeric codes and text messages .......................................................................................................... 107
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 112
8 Password security and resetting CMOS ........................................................................................................ 114
Resetting the password jumper ........................................................................................................................ 114
Clearing and resetting the BIOS ........................................................................................................................ 116
9 Using HP PC Hardware Diagnostics .............................................................................................................. 117
Using HP PC Hardware Diagnostics Windows ................................................................................................... 117
Downloading HP PC Hardware Diagnostics Windows ..................................................................... 117
Downloading the latest HP PC Hardware Diagnostics Windows version ..................... 118
vii
- 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-Specic Requirements 134
- Nonvolatile memory usage 137
- Questions and answers 139
- D Specications 141
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