Acer Aspire E1-471 Acer Aspire E1-431 and E1-471 Notebook Service Guide - Page 144
Power On Issues, Computer Shuts Down Intermittently
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Power On Issues 0 If the system does not power on, perform the following: Start Check AC/Battery Power on Check Daughter/B & FFC Whether OK OK NG Swap AC/Battery OK NG Swap Daughter/B Re-plug PWR FFC Swap M/B Figure 4-1. Power On Issue 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 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. 4-4 Troubleshooting