HP ProDesk 400 G5 Base Model Small Form Factor PC Manual de usuario Pagina 7
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7 POST error messages and diagnostic front panel LEDs and audible codes ................................................................................. 86
POST numeric codes and text messages ........................................................................................................................... 86
Interpreting system validation diagnostic front panel LEDs and audible codes .......................................................... 91
8 Password security and resetting CMOS .............................................................................................................................................. 93
Resetting CMOS and/or the password jumper .................................................................................................................. 94
Changing a Setup or Power-on password ......................................................................................................................... 96
Deleting a Setup or Power-on password ........................................................................................................................... 96
9 Using HP PC Hardware Diagnostics (UEFI) .......................................................................................................................................... 97
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ............................................................................... 98
10 System backup and recovery ............................................................................................................................................................. 99
Backing up, restoring, and recovering ................................................................................................................................ 99
Creating recovery media and backups ........................................................................................................... 99
Creating HP Recovery media (select products only) ............................................................. 100
Using Windows tools ...................................................................................................................................... 101
Restore and recovery ..................................................................................................................................... 101
Recovering using HP Recovery Manager ................................................................................ 102
What you need to know before you get started ............................................... 102
Using the HP Recovery partition (select products only) .................................. 102
Using HP Recovery media to recover .................................................................. 103
Changing the computer boot order .................................................................... 103
Removing the HP Recovery partition (select products only) .......................... 103
Appendix A Battery replacement .......................................................................................................................................................... 104
Appendix B Statement of memory volatility ....................................................................................................................................... 107
Current BIOS steps ............................................................................................................................................................... 107
Nonvolatile memory usage ................................................................................................................................................ 109
Questions and answers ...................................................................................................................................................... 111
Using HP Sure Start ............................................................................................................................................................. 112
Appendix C Power cord set requirements ........................................................................................................................................... 113
General requirements ......................................................................................................................................................... 113
Japanese power cord requirements ................................................................................................................................. 113
Country-specic requirements .......................................................................................................................................... 114
vii
- Maintenance and Service Guide 1
- About This Book 3
- Table of contents 5
- 1 Product features 9
- Front panel components 10
- Rear panel components 11
- 2 Illustrated parts catalog 12
- Computer major components 5 13
- Miscellaneous parts 15
- Miscellaneous parts 9 17
- Miscellaneous parts 11 19
- Miscellaneous parts 13 21
- Miscellaneous parts 15 23
- Miscellaneous parts 17 25
- Miscellaneous parts 19 27
- Miscellaneous parts 21 29
- Generating static 30
- Grounding the work area 31
- Operating guidelines 32
- Routine care 33
- Service considerations 34
- SMART ATA drives 35
- Preparation for disassembly 36
- Access panel 37
- Optical drive 38
- Front bezel 39
- Drive cage 40
- Hard drives 41
- Memory card reader 43
- WLAN module 44
- Memory module 45
- Power supply 47
- Fan shroud 48
- Fan-sink 49
- Processor 50
- Serial connector module 52
- System board 53
- 6. Remove the lower cage (2) 54
- System board 47 55
- Computer Setup–Main 58
- Computer Setup—Security 60
- Computer Setup—Advanced 62
- Safety and comfort 68
- Helpful hints 69
- Solving general problems 70
- Solving general problems 63 71
- Solving power problems 73
- Solving hard drive problems 74
- Solving display problems 77
- Solving display problems 71 79
- Solving audio problems 81
- Solving printer problems 83
- Solving network problems 87
- Solving network problems 81 89
- Solving memory problems 90
- Solving software problems 93
- 10 System backup and recovery 107
- Using Windows tools 109
- Restore and recovery 109
- A Battery replacement 112
- Current BIOS steps 115
- Nonvolatile memory usage 117
- Questions and answers 119
- Using HP Sure Start 120
- C Power cord set requirements 121
- Country-specic requirements 122
- D Specications 123
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