HP ProOne 490 G3 Maintenance And Service Manual page 6

Rear cover ............................................................................................................................................................ 18
Hard drive ............................................................................................................................................................. 19
Memory module ................................................................................................................................................... 20
Optical drive ......................................................................................................................................................... 19
5 Computer Setup (F10) Utility ........................................................................................................................ 22
Computer Setup (F10) Utilities ............................................................................................................................ 22
Recovering the Configuration Settings ............................................................................................................... 33
6 Troubleshooting without diagnostics ............................................................................................................ 34
Safety and comfort .............................................................................................................................................. 34
Before you call for technical support .................................................................................................................. 34
Helpful hints ........................................................................................................................................................ 35
Solving general problems .................................................................................................................................... 36
Solving power problems ...................................................................................................................................... 40
Solving hard drive problems ................................................................................................................................ 41
Solving media card reader problems ................................................................................................................... 43
Solving display problems .................................................................................................................................... 44
Solving audio problems ....................................................................................................................................... 48
Solving printer problems ..................................................................................................................................... 50
Solving keyboard and mouse problems .............................................................................................................. 51
Solving hardware installation problems ............................................................................................................. 53
Solving network problems .................................................................................................................................. 54
Solving memory problems .................................................................................................................................. 58
Solving USB flash drive problems ........................................................................................................................ 59
Solving front panel component problems .......................................................................................................... 60
Solving Internet access problems ....................................................................................................................... 60
Solving software problems .................................................................................................................................. 62
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 63
POST numeric codes and text messages ............................................................................................................. 63
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 68
8 Password security and resetting CMOS .......................................................................................................... 70
Resetting CMOS and/or the password jumper .................................................................................................... 71
Changing a Setup or Power-on password ........................................................................................................... 72
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Using Computer Setup (F10) Utilities ................................................................................................ 22
Computer Setup-Main ....................................................................................................................... 24
Computer Setup-Security ............................................................................................................... 26
Computer Setup-Advanced ............................................................................................................. 28