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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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Q: What is the most efficient way to determine whether your power supply is bad?
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What is the most efficient way to determine if your power supply is bad?

test it with a multimeter


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Some of the solor power generators are larger than others. Most of them will supply power for a few hours or days to an average house. Depending on the size of the solar power generator will determine whether or not it can store enough energy to supply power to an average house. Most likely if you get a very big one it will produce enough energy.


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It depends on the output current. In general, the switching power supply is most efficient.


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You first have to know the type of power supply your are testing. Then you could test whether the power supply is receiving anything from its source. Next check if it is giving any output.


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When you connect a load (motor, light bulb, etc.) in series with a power supply, current will flow, whether AC or DC depends on the power supply you are using.


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