Acer AO722 Service Guide - Page 90

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 non-defective FRUs: Computer Shutsdown Intermittently 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. Remove all external and non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point. 5. Remove any recently installed software. 6. If the Issue is still not resolved, see "Online Support Information" on page 161. 80 Chapter 4