Maintenance and Service Guide

Solving software problems .................................................................................................................................. 58
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 59
POST numeric codes and text messages ............................................................................................................. 60
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 65
8 Password security and resetting CMOS .......................................................................................................... 67
Changing a Setup or Power-on password ........................................................................................................... 68
Deleting a Setup or Power-on password ............................................................................................................. 68
Clearing and resetting the CMOS ......................................................................................................................... 68
9 Using HP PC Hardware Diagnostics ................................................................................................................ 70
Using HP PC Hardware Diagnostics Windows (select products only) ................................................................. 70
Downloading HP PC Hardware Diagnostics Windows ....................................................................... 70
Downloading the latest HP PC Hardware Diagnostics Windows version ....................... 71
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ..................................................................................................... 71
Installing HP PC Hardware Diagnostics Windows ............................................................................. 71
Using HP PC Hardware Diagnostics UEFI ............................................................................................................. 71
Starting HP PC Hardware Diagnostics UEFI ....................................................................................... 72
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive .............................................. 72
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 72
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ..................................................................................................... 72
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ............................................. 73
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................. 73
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 73
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number ............................................................................................................................ 73
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................... 73
10 Backing up, restoring, and recovering ......................................................................................................... 75
Using Windows tools ........................................................................................................................................... 75
Creating HP Recovery media (select products only) ........................................................................................... 75
Using HP Recovery Manager to create recovery media .................................................................... 76
Before you begin ............................................................................................................. 76
Creating the recovery media ........................................................................................... 76
Using the HP Cloud Recovery Download Tool to create recovery media .......................................... 77
Restoring and recovery ........................................................................................................................................ 77
Restoring, resetting, and refreshing using Windows tools .............................................................. 77
Restoring using HP Recovery Manager and the HP Recovery partition ........................................... 77
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