How to Check a Power Supply: PSU Tester, Paperclip, & More - The first knowledge sharing application in Vietnam

If you haven’t already done so, you will need to turn off your computer and completely remove it from power. Use the switch on your desktop PC to flip the power switch to the Off position, and remove the AC power cord.

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Disconnect the power supply cables from all of the components inside the case. Follow each cable from the power supply to the component to make sure that everything is completely unplugged.

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You can use a paper clip to help test your power supply and trick it into thinking that it has been switched on. To do this, straighten a paperclip, and then bend it into a “U” shape.

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Find the 20/24 Pin connector that normally attaches to your computer’s motherboard. It is typically the largest connector for the power supply.