Acer 3400 Series manual Peripheral-Related Symptoms, Keyboard/Touchpad-Related Symptoms

Power Management-Related Symptoms

Symptom / Error	Action in Sequence
The system doesn't resume from hibernation/	Connect AC adapter then check if the system resumes from
standby mode.	Standby/Hibernation mode.
	Check if the battery is low.
	Hard disk drive
	Main board
The system doesn't resume from standby mode	LCD cover switch
after opening the lid of the portable computer.	Main board
Battery fuel gauge in Windows doesn’t go higher	Refresh battery (continue use battery until power off, then charge
than 90%.	battery).
	Battery pack
	Main board
System hangs intermittently.	Reconnect hard disk/CD-ROM drives.
	Main board

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 drives/FDD or other peripherals.
	Main board
External display does not work correctly.	Press Fn+F5, LCD/CRT/Both display switching
	Keyboard
	Main board
USB does not work correctly	Main board
Print problems.	Enter BIOS Setup Utility to execute “Load Default Settings” then
	reboot the system.
	Run printer self-test.
	Printer driver
	Printer cable
	Printer
	Main board
Parallel port device problems	Enter BIOS Setup Utility to execute “Load Default Settings” then
	reboot the system.
	Device driver
	Device cable
	Device
	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 touchpad cable.
	Touchpad board
	Main board

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