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4-4 Troubleshooting
Power On Issues 0
If the system does not power on, perform the following, one at a time, to correct the problem.
Do not replace a non-defective FRU:
Figure 4-1. Power On Issue
Please wait for 3 min. after removing all power (AC adapter and Battery), then re-insert to try
power on.
Computer Shuts Down Intermittently 0
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 (refer to Thermal
Unit Failure) 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.
Start
Check
AC/Battery
Power on
Check
Daughter BD &
FFC
NG
OK
Swap AC/Battery
Swap
Daughter BD
& Re-plug PWR
FFC
NG
OK
Swap MB