HP ProDesk 680 G3 MT Maintenance And Service Manual page 7

Solving keyboard and mouse problems .............................................................................................................. 76
Solving hardware installation problems ............................................................................................................. 79
Solving network problems .................................................................................................................................. 80
Solving memory problems .................................................................................................................................. 84
Solving USB flash 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
Using Windows tools ....................................................................................................................... 103
Restore and recovery ...................................................................................................................... 103
Backing up, restoring, and recovering in Windows 7 ........................................................................................ 106
Creating recovery media ................................................................................................................. 106
System Restore ............................................................................................................................... 109
Creating HP Recovery media (select products only) .................................................... 102
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
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
vii