HP EliteDesk 705 G1 Desktop Mini Maintenance And Service Manual page 9

8 Troubleshooting without diagnostics .......................................................................................................... 168
Safety and comfort ............................................................................................................................................ 168
Before you call for technical support ................................................................................................................ 168
Helpful hints ...................................................................................................................................................... 169
Solving general problems ................................................................................................................................. 170
Solving power problems ................................................................................................................................... 173
Solving hard drive problems ............................................................................................................................. 175
Solving media card reader problems ................................................................................................................ 177
Solving display problems .................................................................................................................................. 178
Solving audio problems ..................................................................................................................................... 182
Solving printer problems ................................................................................................................................... 184
Solving keyboard and mouse problems ........................................................................................................... 185
Solving Hardware Installation Problems .......................................................................................................... 187
Solving Network Problems ................................................................................................................................ 189
Solving memory problems ................................................................................................................................ 192
Solving CD-ROM and DVD problems ................................................................................................................. 194
Solving USB flash drive problems ..................................................................................................................... 196
Solving front panel component problems ........................................................................................................ 197
Solving Internet access problems ..................................................................................................................... 197
Solving software problems ............................................................................................................................... 198
9 POST error messages ................................................................................................................................. 200
POST numeric codes and text messages .......................................................................................................... 200
Interpreting POST diagnostic front panel LEDs and audible codes .................................................................. 205
10 Password security and resetting CMOS ...................................................................................................... 208
Resetting the password jumper ........................................................................................................................ 208
Changing a Setup or Power-On password ........................................................................................................ 209
Deleting a Setup or Power-On password .......................................................................................................... 210
Clearing and resetting the CMOS ....................................................................................................................... 210
11 HP PC Hardware Diagnostics ..................................................................................................................... 212
Why run HP PC Hardware Diagnostics .............................................................................................................. 212
How to access and run HP PC Hardware Diagnostics ....................................................................................... 212
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 212
12 System backup and recovery .................................................................................................................... 214
Backing up, restoring, and recovering in Windows 8.1 or Windows 8 ............................................................. 214
Creating recovery media and backups ........................................................................................... 214
Restoring and recovering using Windows tools ............................................................................. 214
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