Solving USB ash drive problems ..................................................................................................................... 101
Solving Internet access problems ..................................................................................................................... 101
Solving software problems ............................................................................................................................... 102
8 Backing up, restoring, and recovering ......................................................................................................... 104
Backing up information and creating recovery media ...................................................................................... 104
Using Windows tools ....................................................................................................................... 104
Using the HP Cloud Recovery Download Tool to create recovery media (select products only) ... 104
Restoring and recovery ..................................................................................................................................... 105
Restoring, resetting, and refreshing using Windows tools ............................................................ 105
Recovering using HP Recovery media ............................................................................................. 105
Changing the computer boot order ................................................................................................ 105
9 POST error messages and diagnostic front panel LEDs and audible codes ....................................................... 106
POST numeric codes and text messages .......................................................................................................... 106
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 111
10 Password security and resetting CMOS ...................................................................................................... 113
Resetting the password jumper ........................................................................................................................ 113
Clearing and resetting the BIOS ........................................................................................................................ 115
11 Power cord set requirements .................................................................................................................... 116
General requirements ........................................................................................................................................ 116
Japanese power cord requirements .................................................................................................................. 116
Country-specic requirements .......................................................................................................................... 117
12 Statement of memory volatility ................................................................................................................ 118
Nonvolatile memory usage ............................................................................................................................... 120
Questions and answers ..................................................................................................................................... 122
Using HP Sure Start (select models only) .......................................................................................................... 123
13 Specications .......................................................................................................................................... 124
Index ........................................................................................................................................................... 125
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