Acer AC100S Acer AC100 Service Guide - Page 80

System Check Procedures Power system check If the system will power on, skip this section. Refer to System External Inspection. If the system will not power on, check if the power cable is properly connected to the system and AC source. System external inspection 1. Inspect the LED indicators on the front panel, which can indicate the malfunction. For the LED locations and description of their behaviour, see "System LED Indicators" on page 6. 2. Make sure that air flow is not blocked. 3. Make sure nothing in the system is making contact that could short out power. 4. If the problem is not evident, continue with System Internal Inspection. System internal inspection 1. Turn off the system and all the peripherals connected to it. 2. Unplug the power cord from the power outlets. 3. Unplug the power cord from the system. 4. Unplug all peripheral cables from the system. 5. Place the system unit on a flat, stable surface. 6. Remove the system cover. For instructions on removing system cover, refer to "Removing the System Cover" on page 30. 7. Verify that components are properly seated. 8. Verify that all cable connectors inside the system are firmly and correctly attached to their appropriate connectors. 9. Verify that all components are Acer-qualified and supported. 10. Replace the system cover. 11. Power on the system. 12. If the problem with the system is not evident, you can try viewing the POST messages and BIOS event logs during the system startup. 74 Chapter 6