HP EliteOne 800 G4 Maintenance & Service Manual page 8

Restoring and recovery ........................................................................................................................................ 96
9 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 99
POST numeric codes and text messages ............................................................................................................. 99
Interpreting system validation diagnostic front panel LEDs and audible codes .............................................. 104
10 Password security and resetting CMOS ...................................................................................................... 106
Resetting the password jumper ........................................................................................................................ 106
Clearing and resetting the BIOS ........................................................................................................................ 108
Appendix A Power cord set requirements ....................................................................................................... 109
General requirements ........................................................................................................................................ 109
Japanese power cord requirements .................................................................................................................. 109
Country-specific requirements .......................................................................................................................... 110
Appendix B Statement of memory volatility ................................................................................................... 111
Nonvolatile memory usage ............................................................................................................................... 113
Questions and answers ..................................................................................................................................... 115
Using HP Sure Start (select models only) .......................................................................................................... 116
Appendix C Specifications ............................................................................................................................. 117
Index ........................................................................................................................................................... 118
viii
Before you begin ............................................................................................................. 95
Creating the recovery media ........................................................................................... 95
Using the HP Cloud Recovery Download Tool to create recovery media .......................................... 96
Restoring, resetting, and refreshing using Windows tools .............................................................. 96
Restoring using HP Recovery Manager and the HP Recovery partition ........................................... 96
Recovering using HP Recovery Manager ........................................................................................... 96
Recovering using the HP Recovery partition (select products only) ................................................ 97
Recovering using HP Recovery media ............................................................................................... 97
Changing the computer boot order ................................................................................................... 98
Removing the HP Recovery partition (select products only) ............................................................ 98