Acer 8940 manual Power On Issue, Computer Shuts down Intermittently

Power On Issue

If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs:

Start

Check

AC/Battery

Power on

OK

Check

Daughter/B &

FFC Whether

OK

Swap M/B

Computer Shuts down Intermittently

OK

Swap AC /Battery to

NGtry

OK

	Swap Daughter/B
NG
	Re-plug PWR FFC

If the system powers off at intervals, perform the following actions one at a time to correct the problem.

1.Check the power cable is properly connected to the computer and the electrical outlet.

2.Remove any extension cables between the computer and the outlet.

3.Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly into a known good electrical outlet.

4.Disconnect the power and open the casing to check the Thermal Unit and fan airways are free of obstructions.

5.Remove all external and non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point.

6.Remove any recently installed software.

7.If the Issue is still not resolved, see “Online Support Information” on page 265.

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