HP ProDesk 400 G5 Base Model Microtower PC Manual de usuario Pagina 7

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Solving software problems .................................................................................................................................................. 86
7 POST error messages and diagnostic front panel LEDs and audible codes ................................................................................. 87
POST numeric codes and text messages ........................................................................................................................... 87
Interpreting system validation diagnostic front panel LEDs and audible codes .......................................................... 92
8 Password security and resetting CMOS .............................................................................................................................................. 94
Resetting CMOS and/or the password jumper .................................................................................................................. 95
Changing a Setup or Power-on password ......................................................................................................................... 97
Deleting a Setup or Power-on password ........................................................................................................................... 97
9 Using HP PC Hardware Diagnostics (UEFI) .......................................................................................................................................... 98
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ............................................................................... 99
10 System backup and recovery ........................................................................................................................................................... 100
Backing up, restoring, and recovering .............................................................................................................................. 100
Creating recovery media and backups ........................................................................................................ 100
Creating HP Recovery media (select products only) ............................................................. 101
Using Windows tools ...................................................................................................................................... 102
Restore and recovery ..................................................................................................................................... 102
Recovering using HP Recovery Manager ................................................................................ 103
What you need to know before you get started ............................................... 103
Using the HP Recovery partition (select products only) .................................. 103
Using HP Recovery media to recover .................................................................. 104
Changing the computer boot order .................................................................... 104
Removing the HP Recovery partition (select products only) .......................... 104
Appendix A Battery replacement .......................................................................................................................................................... 105
Appendix B Statement of memory volatility ....................................................................................................................................... 108
Current BIOS steps ............................................................................................................................................................... 108
Nonvolatile memory usage ................................................................................................................................................ 110
Questions and answers ...................................................................................................................................................... 112
Using HP Sure Start ............................................................................................................................................................. 113
Appendix C Power cord set requirements ........................................................................................................................................... 114
General requirements ......................................................................................................................................................... 114
Japanese power cord requirements ................................................................................................................................. 114
Country-specic requirements .......................................................................................................................................... 115
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