HP ProOne 400 G1 Maintenance & Service Manual page 8

Before You Call for Technical Support ...................................................................................... 97
Helpful Hints .......................................................................................................................... 98
Solving General Problems ..................................................................................................... 100
Solving Power Problems ........................................................................................................ 104
Solving Hard Drive Problems ................................................................................................. 106
Solving Media Card Reader Problems .................................................................................... 109
Solving Display Problems ...................................................................................................... 111
Solving Audio Problems ........................................................................................................ 116
Solving Printer Problems ........................................................................................................ 118
Solving Keyboard and Mouse Problems .................................................................................. 120
Solving Hardware Installation Problems .................................................................................. 122
Solving Network Problems .................................................................................................... 124
Solving Memory Problems ..................................................................................................... 128
Solving Processor Problems ................................................................................................... 130
Solving CD-ROM and DVD Problems ...................................................................................... 131
Solving USB Flash Drive Problems .......................................................................................... 133
Solving Front Panel Component Problems ................................................................................ 134
Solving Internet Access Problems ............................................................................................ 135
Solving Software Problems .................................................................................................... 136
Contacting Customer Support ................................................................................................ 138
9 Backup and Recovery ................................................................................................... 139
Restoring and recovering in Windows 7 ................................................................................. 139
Backup and recovery in Windows 8 ....................................................................................... 144
10 POST Error Messages .................................................................................................. 148
POST Numeric Codes and Text Messages ............................................................................... 149
Interpreting POST diagnostic front panel LEDs .......................................................................... 157
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System Restore ...................................................................................................... 139
System Recovery ................................................................................................... 140
System Recovery when Windows is responding ......................................... 140
System Recovery when Windows is not responding .................................... 141
System recovery using recovery media ...................................................... 141
Creating recovery media .......................................................... 142
Using recovery media .............................................................. 143
Backing up your information ................................................................................... 144
Performing a system recovery ................................................................................. 145
Using the Windows recovery tools ........................................................... 145
Using f11 recovery tools ......................................................................... 146
Using Windows 8 operating system media (purchased separately) ............... 146