HP 280 G3 Maintenance And Service Manual page 7

Solving display problems .................................................................................................................................... 58
Solving audio problems ....................................................................................................................................... 62
Solving printer problems ..................................................................................................................................... 64
Solving keyboard and mouse problems .............................................................................................................. 65
Solving Hardware Installation Problems ............................................................................................................. 66
Solving Network Problems .................................................................................................................................. 68
Solving memory problems .................................................................................................................................. 71
Solving USB flash drive problems ........................................................................................................................ 72
Solving front panel component problems .......................................................................................................... 73
Solving Internet access problems ....................................................................................................................... 73
Solving software problems .................................................................................................................................. 75
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 76
POST numeric codes and text messages ............................................................................................................. 76
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 81
8 Password security and resetting CMOS .......................................................................................................... 83
Resetting CMOS and/or the password jumper .................................................................................................... 84
Changing a Setup or Power-On password ........................................................................................................... 85
Deleting a Setup or Power-On password ............................................................................................................ 86
9 Using HP PC Hardware Diagnostics ................................................................................................................ 87
Using HP PC Hardware Diagnostics Windows ..................................................................................................... 87
Downloading HP PC Hardware Diagnostics Windows ....................................................................... 87
Installing HP PC Hardware Diagnostics Windows ............................................................................. 88
Using HP PC Hardware Diagnostics UEFI ............................................................................................................. 88
Starting HP PC Hardware Diagnostics UEFI ....................................................................................... 89
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive .............................................. 89
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ............................................. 90
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................. 90
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................... 90
Downloading the latest HP PC Hardware Diagnostics Windows version ....................... 88
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ..................................................................................................... 88
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 89
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ..................................................................................................... 89
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 90
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number ............................................................................................................................ 90
vii