In this video, we'll show you how to manually test a power supply with a multimeter. You'll learn why the probes are color-coded, where to apply each of them. . Experiencing power supply issues with your PC can be frustrating, but many common problems can be resolved with a few troubleshooting steps. Before diving into more complex troubleshooting. . Luckily, there are specific methods you can use to check that your power supply and motherboard are working as expected. Your power supply unit may be bad if your computer won't turn on, it keeps. . Summary: Learn how to run a self-test diagnostic on the power supply unit of a Dell desktop or all-in-one computer.
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