Acer TravelMate 4050 manual Peripheral-Related Symptoms, Lcd Fpc

Peripheral-Related Symptoms

Symptom / Error	Action in Sequence
System configuration does not match the	Enter BIOS Setup Utility to execute “Load Setup defaults”, then
installed devices.	reboot system.
	Reconnect hard disk/CD-ROM/diskette drives.
External display does not work correctly.	See if there is an error beep. If there is an erro beep, then change
	main board.
	Power off. Then check if RAM CPU BIOS are well-connected.
	Press Fn+F5 three times slowly
	LCD FPC
	LCD inverter
	LCD
USB does not work correctly	USB device cable is firmly connected into the USB ports. Test one
	USB port each time.
	USB socket is firmly secured to the main board.
	Main board
Print problems.	Ensure the “Parallel Port” in the “System Devices” of BIOS Setup
	Utility is set to Enabled.
	Onboard Devices Configuration
	Run parallel port test
	Printer driver
	Printer cable
	Printer
	Main board

Keyboard/Touchpad-Related Symptoms

Symptom / Error	Action in Sequence
Keyboard (one or more keys) does not work.	Reconnect the keyboard cable.
	Keyboard
	Main board
Touchpad does not work.	Reconnect touch pad cable. Modem port is secured to the main
	board
	Touch pad FPC
	Audio/Touch pad board
	Main board

Modem-Related Symptoms

Symptom / Error	Action in Sequence
Internal modem does not work correctly.	Ensure the telephone cable is firmly plugged into the telephone wall
	socket and the modem port of the computer.
	Modem phone port is secured to the main board.
	modem combo board
	Main board

NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 62.

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