Solving hard drive problems ................................................................................................................................ 51
Solving media card reader problems ................................................................................................................... 53
Solving display problems .................................................................................................................................... 54
Solving audio problems ....................................................................................................................................... 58
Solving printer problems ..................................................................................................................................... 60
Solving keyboard and mouse problems .............................................................................................................. 61
Solving hardware installation problems ............................................................................................................. 62
Solving network problems .................................................................................................................................. 64
Solving memory problems .................................................................................................................................. 66
Solving CD-ROM and DVD problems .................................................................................................................... 67
Solving USB flash drive problems ........................................................................................................................ 69
Solving front panel component problems .......................................................................................................... 70
Solving Internet access problems ....................................................................................................................... 71
Solving software problems .................................................................................................................................. 71
POST numeric codes and text messages ............................................................................................................. 73
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 78
Resetting CMOS and/or the password jumper .................................................................................................... 82
Changing a Setup or Power-On password ........................................................................................................... 83
Deleting a Setup or Power-On password ............................................................................................................ 84
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 87
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ..................................................................................................... 88
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 88
vii