Solving keyboard and mouse problems .............................................................................................................. 76
Solving hardware installation problems ............................................................................................................. 79
Solving network problems .................................................................................................................................. 80
Solving memory problems .................................................................................................................................. 84
Solving USB ash drive problems ........................................................................................................................ 85
Solving front panel component problems .......................................................................................................... 86
Solving Internet access problems ....................................................................................................................... 86
Solving software problems .................................................................................................................................. 88
7 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
8 Password security and resetting CMOS .......................................................................................................... 96
Resetting CMOS and/or the password jumper .................................................................................................... 97
Changing a Setup or Power-on password ........................................................................................................... 98
Deleting a Setup or Power-on password ............................................................................................................. 99
9 Using HP PC Hardware Diagnostics (UEFI) ..................................................................................................... 100
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 100
10 System backup and recovery ..................................................................................................................... 102
Backing up, restoring, and recovering in Windows 10 ...................................................................................... 102
Creating recovery media and backups ............................................................................................ 102
Creating HP Recovery media (select products only) .................................................... 102
Using Windows tools ....................................................................................................................... 103
Restore and recovery ...................................................................................................................... 103
Recovering using HP Recovery Manager ...................................................................... 104
What you need to know before you get started ........................................ 104
Using the HP Recovery partition (select products only) ............................ 105
Using HP Recovery media to recover ......................................................... 105
Changing the computer boot order ............................................................ 105
Removing the HP Recovery partition (select products only) ..................... 105
Backing up, restoring, and recovering in Windows 7 ........................................................................................ 106
Creating recovery media ................................................................................................................. 106
Creating recovery media using HP Recovery Manager (select models only) ............... 107
Creating recovery discs with HP Recovery Disc Creator (select models only) ............. 108
Creating recovery discs .............................................................................. 108
Backing up your information ........................................................................................ 108
System Restore ............................................................................................................................... 109
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