HP ProOne 400 23.8-inch G4 All-in-One Business PC Maintenance & Service Manual page 8

Solving software problems .................................................................................................................................. 95
8 Backing up, restoring, and recovering ........................................................................................................... 97
Using Windows tools ........................................................................................................................................... 97
Creating HP Recovery media (select products only) ........................................................................................... 97
Restoring and recovery ........................................................................................................................................ 99
9 POST error messages and diagnostic front panel LEDs and audible codes ....................................................... 102
POST numeric codes and text messages .......................................................................................................... 102
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 107
10 Password security and resetting CMOS ...................................................................................................... 109
Resetting the password jumper ........................................................................................................................ 109
Clearing and resetting the BIOS ........................................................................................................................ 111
Appendix A Power cord set requirements ....................................................................................................... 112
General requirements ........................................................................................................................................ 112
Japanese power cord requirements .................................................................................................................. 112
Country-specific requirements .......................................................................................................................... 113
Appendix B Statement of memory volatility ................................................................................................... 114
Nonvolatile memory usage ............................................................................................................................... 116
Questions and answers ..................................................................................................................................... 118
Using HP Sure Start (select models only) .......................................................................................................... 119
Appendix C Specifications ............................................................................................................................. 120
Index ........................................................................................................................................................... 121
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Using HP Recovery Manager to create recovery media .................................................................... 98
Before you begin ............................................................................................................. 98
Creating the recovery media ........................................................................................... 98
Using the HP Cloud Recovery Download Tool to create recovery media .......................................... 99
Restoring, resetting, and refreshing using Windows tools .............................................................. 99
Restoring using HP Recovery Manager and the HP Recovery partition ........................................... 99
Recovering using HP Recovery Manager ........................................................................................... 99
Recovering using the HP Recovery partition (select products only) .............................................. 100
Recovering using HP Recovery media ............................................................................................. 100
Changing the computer boot order ................................................................................................ 101
Removing the HP Recovery partition (select products only) .......................................................... 101