HP EliteDesk 705 G2 Maintenance And Service Manual page 7

6 Troubleshooting without diagnostics ............................................................................................................ 63
Safety and comfort .............................................................................................................................................. 63
Before you call for technical support .................................................................................................................. 63
Helpful hints ........................................................................................................................................................ 64
Solving general problems .................................................................................................................................... 65
Solving power problems ...................................................................................................................................... 69
Solving hard drive problems ................................................................................................................................ 70
Solving media card reader problems ................................................................................................................... 72
Solving display problems .................................................................................................................................... 73
Solving audio problems ....................................................................................................................................... 78
Solving printer problems ..................................................................................................................................... 80
Solving keyboard and mouse problems .............................................................................................................. 81
Solving Hardware Installation Problems ............................................................................................................. 83
Solving Network Problems .................................................................................................................................. 84
Solving memory problems .................................................................................................................................. 87
Solving CD-ROM and DVD problems .................................................................................................................... 89
Solving USB flash drive problems ........................................................................................................................ 91
Solving front panel component problems .......................................................................................................... 92
Solving Internet access problems ....................................................................................................................... 92
Solving software problems .................................................................................................................................. 94
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 95
POST numeric codes and text messages ............................................................................................................. 95
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 100
8 Password security and resetting CMOS ........................................................................................................ 102
Resetting the password jumper ........................................................................................................................ 102
Changing a Setup or Power-On password ......................................................................................................... 103
Deleting a Setup or Power-On password .......................................................................................................... 104
Clearing and resetting the CMOS ....................................................................................................................... 104
9 HP PC Hardware Diagnostics ....................................................................................................................... 106
Why run HP PC Hardware Diagnostics ............................................................................................................... 106
How to access and run HP PC Hardware Diagnostics ........................................................................................ 106
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 106
10 System backup and recovery ..................................................................................................................... 108
Backing up, restoring, and recovering in Windows 10 ...................................................................................... 108
Creating recovery media and backups ............................................................................................ 108
Creating HP Recovery media (select products only) .................................................... 108
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