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There are 2 easy ways to check, but both require some extra equipment. The first, and easiest, is to use a power supply tester. If and when you have one, unplug the power, emove the power supply connector from the mobo, plug that into the tester, and the results should be immediate. Most of the testers have different colored LEDs to indicate the results. The second is to connect a different power supply of the same or greater voltage to your computer, if you have one. If your problem goes away, then it was the PSU, if not, keep troubleshooting. Good luck Bob

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17y ago

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