Computers & Mobile Technology
HOW TO – Diagnose an ATX PSU (Power supply unit)

Leo shows you how to diagnose your ATX power supply step by step before you buy new one when your computer doesn’t crank up – Link.

2 thoughts on “HOW TO – Diagnose an ATX PSU (Power supply unit)

  1. The only time i’ve had to replace a PSU is when (during boot-up) one of the Al electrolic caps exploded, sending scraps of metal casing everyware. One of wich shorted a few components next to the high frequency switching transformer. It made a pop, then wall behind the computer light up with blue light, and then it stank like burning dust.

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