Solving general problems ...................................................................................................... 198
Solving power problems ....................................................................................................... 202
Solving hard drive problems .................................................................................................. 204
Solving media card reader problems ...................................................................................... 207
Solving display problems ...................................................................................................... 209
Solving audio problems ........................................................................................................ 214
Solving printer problems ....................................................................................................... 216
Solving keyboard and mouse problems .................................................................................. 218
Solving Hardware Installation Problems .................................................................................. 220
Solving Network Problems .................................................................................................... 222
Solving memory problems ..................................................................................................... 226
Solving processor problems ................................................................................................... 228
Solving CD-ROM and DVD problems ...................................................................................... 229
Solving USB flash drive problems ........................................................................................... 231
Solving front panel component problems ................................................................................. 232
Solving Internet access problems ............................................................................................ 232
Solving software problems .................................................................................................... 234
10 POST error messages .................................................................................................. 236
POST numeric codes and text messages .................................................................................. 237
Interpreting POST diagnostic front panel LEDs and audible codes .............................................. 245
11 Password security and resetting CMOS ....................................................................... 249
Resetting the password jumper ............................................................................................... 250
Clearing and resetting the CMOS .......................................................................................... 251
12 HP PC Hardware Diagnostics ...................................................................................... 253
Why run HP PC Hardware Diagnostics – UEFI ......................................................................... 253
How to access and run HP PC Hardware Diagnostics - UEFI ...................................................... 253
Downloading HP PC Hardware Diagnostics to a USB device ..................................................... 254
13 System backup and recovery ...................................................................................... 255
Backing up, restoring, and recovering in Windows 8 ............................................................... 255
Creating recovery media and backups .................................................................... 256
Restoring and recovering using Windows 8 tools ...................................................... 257
Using Windows 8 Refresh ....................................................................... 257
Using Windows 8 Reset .......................................................................... 258
Recovery using the Windows 8 recovery USB flash drive ............................ 259
Recovery using Windows 8 operating system media (purchased separately) . 260
Backing up, restoring, and recovering in Windows 7 ............................................................... 261
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