Acer 7730 manual 150, Devices

	Symptom / Error	Action in Sequence
	The system doesn't hibernate and emits	• Press Fn+o and see if the notebook enters hibernation
	four short beeps every minute.	mode.
		• Test or replace the touchpad.
		• Test or replace the keyboard.
		• Check the hard disk connection to the system board.
		• Test or replace the hard disk drive.
		• Test or replace the system board.
	The notebook doesn’t enter standby	• <Athena: Why are they looking at a spec?> See “Save
	mode after closing the LCD.	to Disk (S4)” on page 33.
		• Test or replace the system board.
	The system doesn't resume from	• <Athena: Why are they looking at a spec?> See “Save
	hibernation mode.	to Disk (S4)” on page 33.
		• Check the hard disk connection to the system board.
		• Test or replace the hard disk drive.
		• Test or replace the system board.
	The system doesn't resume from standby	• <Athena: Why are they looking at a spec?> See “Save
	mode after opening the LCD.	to Disk (S4)” on page 33.
		• Test or replace the system board.
	The battery fuel gauge in Windows	• Remove the battery pack and let it cool for two hours.
	doesn’t go higher than 90%.	• Refresh the battery (use only battery power until the
		notebook turns off, then charge the battery).
		• Test or replace the battery pack.
		• Test or replace the system board.
	The system hangs intermittently.	• Reconnect the hard disk drive and optical drive.
		• Check the hard disk connection to the system board.
		• Test or replace the system board.
Devices
	Symptom / Error	Action in Sequence
	System configuration does not match the	• Run “Load Setup Defaults” using the BIOS Setup
	installed devices.	Utility, then reboot the notebook.
		• Reconnect the hard disk drive and optical drive.
	The external display does not work	• Press Fn+F5 repeatedly to switch between LCD,
	correctly.	external display, and both displays.
		• Test or replace the system board.
	USB does not work correctly.	• Test or replace the ExpressCard assembly. See
		“Replacing the ExpressCard (NewCard) assembly” on
		page 112.
		• Test or replace the system board.
	Printer problems.	• Run the printer self-test.
		• Reinstall the printer driver.
		• Test or replace the printer cable.
		• Test or replace the printer.
		• Test or replace the system board.
	Serial or parallel port device problems.	• Reinstall the device driver.
		• Test or replace the device cable.
		• Test or replace the device.
		• Test or replace the system board.

150 Chapter 4: Troubleshooting