HP EliteDesk 800 G3 Maintenance And Service Manual page 7

Recovering the Configuration Settings ............................................................................................................... 68
6 Troubleshooting without diagnostics ............................................................................................................ 69
Safety and comfort .............................................................................................................................................. 69
Before you call for technical support .................................................................................................................. 69
Helpful hints ........................................................................................................................................................ 70
Solving general problems .................................................................................................................................... 71
Solving power problems ...................................................................................................................................... 75
Solving hard drive problems ................................................................................................................................ 76
Solving media card reader problems ................................................................................................................... 78
Solving display problems .................................................................................................................................... 79
Solving audio problems ....................................................................................................................................... 83
Solving printer problems ..................................................................................................................................... 85
Solving keyboard and mouse problems .............................................................................................................. 86
Solving hardware installation problems ............................................................................................................. 87
Solving network problems .................................................................................................................................. 89
Solving memory problems .................................................................................................................................. 92
Solving USB flash drive problems ........................................................................................................................ 93
Solving front panel component problems .......................................................................................................... 94
Solving Internet access problems ....................................................................................................................... 94
Solving software problems .................................................................................................................................. 96
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 97
POST numeric codes and text messages ............................................................................................................. 97
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 102
8 Password security and resetting CMOS ........................................................................................................ 104
Resetting the password jumper ........................................................................................................................ 104
Clearing and resetting the BIOS ........................................................................................................................ 106
9 Using HP PC Hardware Diagnostics (UEFI) ..................................................................................................... 107
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 107
10 System backup and recovery ..................................................................................................................... 109
Backing up, restoring, and recovering in Windows 7 ........................................................................................ 109
Creating recovery media ................................................................................................................. 109
Creating recovery media using HP Recovery Manager (select models only) ............... 110
Creating recovery discs with HP Recovery Disc Creator (select models only) ............. 111
Creating recovery discs .............................................................................. 111
Backing up your information ........................................................................................ 111
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