Table of Contents
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I/O-related Symptoms
Symptom / Error
System configuration values does not
match the installed devices.
External display does not work correctly.
USB does not work correctly
Print problems
Keyboard (one or more keys) does not
work.
Touchpad does not work.
Internal modem does not work correctly.
Chapter 1
Action in Sequence
Run the Setup Utility, then press F9 to load the system
defaults.
Reconnect hard disk/CD-ROM/diskette drives.
Press Fn+F5, LCD/CRT/both display switching
System board
System board
Run printer self-test.
Printer driver
Printer cable
Printer
System board
Reconnect the keyboard cable.
Keyboard
System board
Reconnect the touchpad cable.
Touchpad board
System board
Modem port
Modem board
System board
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