Aspire Digital AX1400 manual Beep Codes, Beep Status Possible Causes

Beep Codes

When no error message is displayed but the computer stops during POST, listen for beep codes.

Beep	Status	Possible Causes
One short beep.	System ready	System is OK.
Continuous one	Memory not installed or	• Something is wrong with the memory installed
long beep	memory error	• There is problem accessing the memory (i.e., mainboard
		problem)
One long beep, then	VGA not installed or	• The mainboard can not access the video card for some
two short beeps and	VGA error	reasons. Either the video card is not working, its memory
repeat		is not accessible, or its BIOS may be corrupt.
		• Something is wrong with the mainboard.
One long beep, then	BIOS failure	BIOS damaged. Processor jump to boot block to execute
one short beep		the default procedure.
Two short beeps.	CMOS failure	CMOS checksum error

Undetermined Problems

NOTE • Verify that all attached devices are supported by the computer.

•Verify that the power supply being used at the time of the failure is operating correctly. (See “Power System Check” on page 45)

Follow the procedures below to isolate the failing FRU. Do not isolate non-defective FRU.

1.Power off the computer.

2.Visually check them for damage. If any problems are found, replace the FRU.

3.Remove or disconnect all of the following devices:

•Non-Acer devices

•Printer, mouse, and other external devices

•Hard disk drive

•DIMM

•CD/DVD-ROM drive

•Expansion boards

4.Power on the computer.

5.Determine if the problem has been resolved.

6.If the problem does not recur, reconnect the removed devices one at a time until you find the failed FRU.

If the problem persists, replace the mainboard, and then LCD assembly (one at a time). Do not replace a non-defective FRU.

60 Aspire AX1400 Service Guide