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 a
Start
OK
Check AC/Batt only power on
OK
Check
Power/B
Whether OK
Swap M/B
Computer Shutsdown Intermittently
NG
OK
NG
Swap
AC/Battery
Swap Power
SW/B
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 (see “Thermal Unit Failure” on page 129) and fan airways are free of obstructions.
5.Remove all external and
6.Remove any recently installed software.
7.If the Issue is still not resolved, see “Online Support Information” on page 207.
120 | Chapter 4 |