Maintenance and Service Guide

Solving software problems .................................................................................................................................................. 72
7 POST error messages and diagnostic front panel LEDs and audible codes ................................................................................. 73
POST numeric codes and text messages ........................................................................................................................... 74
Interpreting system validation diagnostic front panel LEDs and audible codes .......................................................... 79
8 Password security and resetting CMOS .............................................................................................................................................. 81
Changing a Setup or Power-on password ......................................................................................................................... 82
Deleting a Setup or Power-on password ........................................................................................................................... 82
9 Using HP PC Hardware Diagnostics ..................................................................................................................................................... 83
Using HP PC Hardware Diagnostics Windows ................................................................................................................... 83
Downloading HP PC Hardware Diagnostics Windows ................................................................................. 84
Downloading the latest HP PC Hardware Diagnostics Windows version ............................. 84
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ................................................................................................................... 84
Installing HP PC Hardware Diagnostics Windows ......................................................................................... 84
Using HP PC Hardware Diagnostics UEFI ....................................................................................................... 85
Starting HP PC Hardware Diagnostics UEFI .............................................................................. 85
Downloading HP PC Hardware Diagnostics UEFI to a USB device ......................................... 85
Downloading the latest HP PC Hardware Diagnostics UEFI version ................ 86
Downloading HP PC Hardware Diagnostics UEFI by product name or
number (select products only) ............................................................................... 86
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ................................. 86
Downloading Remote HP PC Hardware Diagnostics UEFI ...................................................... 86
Downloading the latest Remote HP PC Hardware Diagnostics UEFI
version ....................................................................................................................... 86
Downloading Remote HP PC Hardware Diagnostics UEFI by product
name or number ...................................................................................................... 86
Customizing Remote HP PC Hardware Diagnostics UEFI settings ........................................ 87
10 System backup and recovery ............................................................................................................................................................. 88
Backing up, restoring, and recovering in Windows 10 ..................................................................................................... 88
Creating recovery media and backups ........................................................................................................... 88
Creating HP Recovery media (select products only) ............................................................... 88
Using Windows tools ......................................................................................................................................... 89
Restore and recovery ........................................................................................................................................ 90
Recovering using HP Recovery Manager ................................................................................... 90
What you need to know before you get started ................................................. 90
Using the HP Recovery partition (select products only) .................................... 91
Using HP Recovery media to recover .................................................................... 91
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