Peripheral-Related Symptoms

Symptom / Error	Action in Sequence
The system doesn't resume from hibernation	Hard disk connection board
mode.	Hard disk drive
	System board

The system doesn't resume from standby	LCD cover switch
mode after opening the LCD.	System board

Battery fuel gauge in Windows doesn’t go	Remove battery pack and let it cool for 2
higher than 90%.	hours.
	Refresh battery (continue use battery until
	power off, then charge battery).
	Battery pack
	System board

System hangs intermittently.	Reconnect hard disk/CD-ROM drives.
	Hard disk connection board
	System board

Symptom / Error	Action in Sequence
System configuration does not match the	Enter BIOS Setup Utility to execute “Load
installed devices.	Default Settings”, then reboot system.
	Reconnect hard disk/CD-ROM/diskette drives.

External display does not work correctly.	Press Fn+F5, LCD/CRT/Both display
	switching.
	System board

USB does not work correctly.	System board

Print problems.	Ensure the “Parallel Port” in the “Onboard
	Devices Configuration” of BIOS Setup Utility is
	set to Enabled.
	Onboard Devices Configuration
	Run printer self-test.
	Printer driver
	Printer cable
	Printer
	System Board

Serial or parallel port device problems.	Ensure the “Serial Port” in the Devices
	Configuration” of BIOS Setup Utility is set to
	Enabled.
	Device driver
	Device cable
	Device
	System board

Keyboard/Touchpad-Related Symptoms

Symptom / Error	Action in Sequence
Keyboard (one or more keys) does not work.	Reconnect the keyboard cable.
	Keyboard
	System board

Chapter 4