4-3 Troubleshooting
Power On Issues
If the system does not power on, perform the following:
Figure 4:1. Power On Issues
Computer Shuts Down Intermittently
If the system powers off at intervals, perform the following.
1. Makes sure the power cable is properly connected to the computer and the electrical outlet.
2. Remove all extension cables between the computer and the outlet.
3. Remove all surge protectors between the computer and the electrical outlet. Plug the computer
directly into a known serviceable electrical outlet.
4. Disconnect the power and open the casing to check the Thermal Unit (See Unit Thermal
Failure on page 4-15) 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, refer to Online Support Information on page 8-2.
Start
Swap M/B
Check
AC/Batt only
power on
Check Power/B
Whether OK
Swap AC/Battery
OK
NG
Swap Power/B
OK
OK
NG
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