PC won't boot at all; no lights or beeps, fans don't start.
Probable cause:
- PC not plugged in.
- The "hard" power switch in the back is turned off.
- PS has failed.
- No electrical service.
- The power switch has failed.
Solution:
- Make sure PC is plugged in.
- Use Multimeter to test PS and cords
- Make sure the 110/220 V switch on the power supply is set properly.
