Acer Aspire 4252/4552/4552G_SG
Acer Aspire 4252/4552/4552G_SG
Acer Aspire 4252/4552/4552G_SG
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Power On Issue<br />
If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not<br />
replace a non-defective FRUs:<br />
Computer Shutsdown Intermittently<br />
If the system powers off at intervals, perform the following actions one at a time to correct the problem.<br />
1. Check the power cable is properly connected to the computer and the electrical outlet.<br />
2. Remove any extension cables between the computer and the outlet.<br />
3. Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly<br />
into a known good electrical outlet.<br />
4. Disconnect the power and open the casing to check the Thermal Unit (see “Thermal Unit Failure” on page<br />
124) and fan airways are free of obstructions.<br />
5. Remove all external and non-essential hardware connected to the computer that are not necessary to<br />
boot the computer to the failure point.<br />
6. Remove any recently installed software.<br />
7. If the Issue is still not resolved, see “Online Support Information” on page 165.<br />
114 Chapter 4
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