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 ....................................................................................................................................... 81
Solving printer problems ..................................................................................................................................... 83
Solving keyboard and mouse problems .............................................................................................................. 84
Solving Hardware Installation Problems ............................................................................................................. 86
Solving Network Problems .................................................................................................................................. 87
Solving memory problems .................................................................................................................................. 90
Solving CD-ROM and DVD problems .................................................................................................................... 91
Solving USB ash drive problems ........................................................................................................................ 94
Solving front panel component problems .......................................................................................................... 95
Solving Internet access problems ....................................................................................................................... 95
Solving software problems .................................................................................................................................. 97
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 98
POST numeric codes and text messages ............................................................................................................. 98
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 103
8 Password security and resetting CMOS ........................................................................................................ 105
Resetting the password jumper ........................................................................................................................ 105
Clearing and resetting the BIOS ........................................................................................................................ 107
9 Using HP PC Hardware Diagnostics (UEFI) ..................................................................................................... 108
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 108
10 System backup and recovery ..................................................................................................................... 110
Backing up, restoring, and recovering in Windows 10 ...................................................................................... 110
Creating recovery media and backups ............................................................................................ 110
Creating HP Recovery media (select products only) .................................................... 110
Using Windows tools ....................................................................................................................... 112
Restore and recovery ...................................................................................................................... 112
Recovering using HP Recovery Manager ...................................................................... 112
What you need to know before you get started ........................................ 112
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