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Computer does not power up. The green light on the back of the PS does not come on. I have 120 volts at the plug but when plugged into he power supply and push the power button on front of the computer nothing happens

Answers :

Make sure the switch on the back of the power supply is set to 120 volts , does the power-supply fan come on? if not it may be the power supply they are pretty inexpensive and not too dificult to replace
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