Printer will not print........................................................................................................................................................................................................ 49
Solving keyboard and mouse problems....................................................................................................................................................................49
Keyboard commands and typing are not recognized by the computer................................................................................. 49
Mouse does not respond to movement or is too slow.........................................................................................................................50
Solving hardware installation problems....................................................................................................................................................................50
A new device is not recognized as part of the system........................................................................................................................50
Computer will not start................................................................................................................................................................................................ 51
Three red blinks then two white blinks.............................................................................................................................................................. 51
Solving network problems.................................................................................................................................................................................................... 51
Network driver does not detect network controller.............................................................................................................................. 52
Network status link light never blinks............................................................................................................................................................... 52
Diagnostics reports a failure.................................................................................................................................................................................. 52
Diagnostics passes, but the computer does not communicate with the network.........................................................53
Network controller stopped working when an expansion board was added to the computer.............................. 53
Network controller stops working without apparent cause............................................................................................................ 53
Cannot connect to network server when attempting remote system installation.........................................................53
System setup utility reports unprogrammed EEPROM ...................................................................................................................... 53
Solving memory problems.................................................................................................................................................................................................. 54
System will not boot or does not function properly after installing additional memory modules.......................54
Out of memory error ....................................................................................................................................................................................................54
Memory count during POST is wrong.............................................................................................................................................................. 54
Insufficient memory error during operation............................................................................................................................................... 54
Five red blinks then five beeps.............................................................................................................................................................................. 55
Solving USB flash drive problems .................................................................................................................................................................................55
USB flash drive is not seen as a drive letter in Windows................................................................................................................... 55
USB flash drive not found (identified) .............................................................................................................................................................. 55
System will not boot from USB flash drive................................................................................................................................................... 55
The computer boots to DOS after making a bootable flash drive..............................................................................................56
Solving internet access problems ................................................................................................................................................................................56
Unable to connect to the internet.......................................................................................................................................................................56
Cannot automatically launch internet programs....................................................................................................................................56
Solving software problems..................................................................................................................................................................................................57
Computer will not start up and the HP logo does not appear.........................................................................................................57
“Illegal Operation has Occurred” error message is displayed.......................................................................................................57
6 Computer Setup (F10) Utility....................................................................................................................................................................................................58
Using Computer Setup (F10) Utilities ...........................................................................................................................................................................58
Computer Setup Main............................................................................................................................................................................................................ 59
Computer Setup Security....................................................................................................................................................................................................63
Computer Setup Advanced ...............................................................................................................................................................................................69
7 POST error messages.................................................................................................................................................................................................................. 79
POST numeric codes and text messages ............................................................................................................................................................... 79
Interpreting POST diagnostic front panel lights and audible codes.....................................................................................................85
8 Password security and resetting CMOS........................................................................................................................................................................88
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