Acer Aspire V5-171 Acer Aspire V5-171 and TravelMate B113 Series Notebook Serv - Page 81

Power On Issues If the system does not power on, perform the following: Start OK Check AC/Batt only power on NG OK Swap AC/Battery Check Power/B Whether OK OK Swap M/B NG Swap Power SW/B 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. 4-3 Troubleshooting