7 Troubleshooting without diagnostics ............................................................................................................ 62
Safety and comfort .............................................................................................................................................. 62
Before you call for technical support .................................................................................................................. 62
Helpful hints ........................................................................................................................................................ 63
Solving general problems .................................................................................................................................... 64
Solving power problems ...................................................................................................................................... 68
Solving hard drive problems ................................................................................................................................ 69
Solving media card reader problems ................................................................................................................... 71
Solving audio problems ....................................................................................................................................... 72
Solving printer problems ..................................................................................................................................... 74
Solving keyboard and mouse problems .............................................................................................................. 75
Solving hardware installation problems ............................................................................................................. 76
Solving network problems .................................................................................................................................. 78
Solving memory problems .................................................................................................................................. 80
Solving USB ash drive problems ........................................................................................................................ 81
Solving Internet access problems ....................................................................................................................... 82
Solving software problems .................................................................................................................................. 83
8 System backup and recovery ........................................................................................................................ 84
Backing up, restoring, and recovering in Windows 10 ........................................................................................ 84
Creating recovery media and backups .............................................................................................. 84
Creating HP Recovery media (select products only) ...................................................... 84
Using Windows tools ......................................................................................................................... 85
Restore and recovery ........................................................................................................................ 85
Recovering using HP Recovery Manager ........................................................................ 86
What you need to know before you get started .......................................... 86
Using the HP Recovery partition (select products only) .............................. 87
Using HP Recovery media to recover ........................................................... 87
Changing the computer boot order .............................................................. 87
Removing the HP Recovery partition (select products only) ....................... 87
9 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 89
POST numeric codes and text messages ............................................................................................................. 89
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 94
10 Password security and resetting CMOS ........................................................................................................ 96
Resetting the password jumper .......................................................................................................................... 96
Clearing and resetting the BIOS ........................................................................................................................... 98
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