8 Troubleshooting without diagnostics ..........................................................................................................
168
Safety and comfort ............................................................................................................................................
Before you call for technical support ................................................................................................................
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 .....................................................................................................................
Solving software problems ...............................................................................................................................
198
9 POST error messages .................................................................................................................................
200
POST numeric codes and text messages ..........................................................................................................
Interpreting POST diagnostic front panel LEDs and audible codes ..................................................................
205
10 Password security and resetting CMOS ......................................................................................................
208
Resetting the password jumper ........................................................................................................................
Changing a Setup or Power-On password ........................................................................................................
209
Deleting a Setup or Power-On password ..........................................................................................................
210
Clearing and resetting the CMOS .......................................................................................................................
11 HP PC Hardware Diagnostics .....................................................................................................................
212
Why run HP PC Hardware Diagnostics ..............................................................................................................
How to access and run HP PC Hardware Diagnostics .......................................................................................
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ..................................................................
12 System backup and recovery ....................................................................................................................
214
Backing up, restoring, and recovering in Windows 8.1 or Windows 8 .............................................................
Creating recovery media and backups ...........................................................................................
Restoring and recovering using Windows tools .............................................................................
ix