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Recovering the Configuration Settings ............................................................................................................... 65
6 Troubleshooting without diagnostics ............................................................................................................ 66
Safety and comfort .............................................................................................................................................. 66
Before you call for technical support .................................................................................................................. 66
Helpful hints ........................................................................................................................................................ 67
Solving general problems ................................................................................................................................... 68
Solving power problems ...................................................................................................................................... 72
Solving hard drive problems ............................................................................................................................... 73
Solving media card reader problems .................................................................................................................. 75
Solving display problems .................................................................................................................................... 76
Solving audio problems ....................................................................................................................................... 80
Solving printer problems ..................................................................................................................................... 82
Solving keyboard and mouse problems ............................................................................................................. 83
Solving Hardware Installation Problems ............................................................................................................ 85
Solving Network Problems .................................................................................................................................. 87
Solving memory problems .................................................................................................................................. 90
Solving CD-ROM and DVD problems .................................................................................................................... 92
Solving USB flash drive problems ....................................................................................................................... 94
Solving front panel component problems .......................................................................................................... 95
Solving Internet access problems ....................................................................................................................... 95
Solving software problems ................................................................................................................................. 96
7 POST error messages ................................................................................................................................... 98
POST numeric codes and text messages ............................................................................................................ 98
Interpreting POST diagnostic front panel LEDs and audible codes .................................................................. 103
8 Password security and resetting CMOS ........................................................................................................ 106
Resetting the password jumper ........................................................................................................................ 106
Changing a Setup or Power-On password ........................................................................................................ 107
Deleting a Setup or Power-On password .......................................................................................................... 108
Clearing and resetting the CMOS ....................................................................................................................... 108
9 HP PC Hardware Diagnostics ....................................................................................................................... 110
Why run HP PC Hardware Diagnostics .............................................................................................................. 110
How to access and run HP PC Hardware Diagnostics ....................................................................................... 110
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 110
10 System backup and recovery .................................................................................................................... 112
Backing up, restoring, and recovering in Windows 8.1 or Windows 8 ............................................................. 112
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