Maintenance and Service Guide

Recovering the Conguration Settings ............................................................................................................... 71
6 Troubleshooting without diagnostics ............................................................................................................ 72
Safety and comfort .............................................................................................................................................. 72
Before you call for technical support .................................................................................................................. 72
Helpful hints ........................................................................................................................................................ 73
Solving general problems .................................................................................................................................... 74
Solving power problems ...................................................................................................................................... 77
Solving hard drive problems ................................................................................................................................ 78
Solving media card reader problems ................................................................................................................... 80
Solving display problems .................................................................................................................................... 82
Solving audio problems ....................................................................................................................................... 85
Solving printer problems ..................................................................................................................................... 87
Solving keyboard and mouse problems .............................................................................................................. 89
Solving hardware installation problems ............................................................................................................. 90
Solving network problems .................................................................................................................................. 91
Solving memory problems .................................................................................................................................. 93
Solving CD-ROM and DVD problems .................................................................................................................... 95
Solving USB ash drive problems ........................................................................................................................ 97
Solving front panel component problems .......................................................................................................... 98
Solving Internet access problems ....................................................................................................................... 98
Solving software problems .................................................................................................................................. 99
7 POST error messages ................................................................................................................................. 100
POST numeric codes and text messages .......................................................................................................... 100
Interpreting POST diagnostic front panel lights and audible codes ................................................................. 104
8 Password security and resetting CMOS ........................................................................................................ 106
Resetting the password jumper ........................................................................................................................ 106
Changing a Setup or Power-On password ......................................................................................................... 107
Deleting a Setup or Power-On password .......................................................................................................... 108
Clearing and resetting the CMOS ....................................................................................................................... 108
9 Using HP PC Hardware Diagnostics .............................................................................................................. 110
Using HP PC Hardware Diagnostics Windows (select products only) ............................................................... 110
Downloading HP PC Hardware Diagnostics Windows ..................................................................... 110
Downloading the latest HP PC Hardware Diagnostics Windows version ..................... 111
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ................................................................................................... 111
Installing HP PC Hardware Diagnostics Windows ........................................................................... 111
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