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er Supply with a Power-On Test Use a paperclip or a PSU tester to perform a "paperclip test." Connect the green wire (PS_ON) to any black wire (ground) on the 24-pin connector. Turn on the power supply; if the fan spins, the PSU is at least providing power. Step 3: M

ications. Introduction to ATX SMPS Power Supplies Power supplies are essential components that convert high-voltage AC power from the mains into usable low-voltage DC power for electronic circuits. The ATX (Advanced Technology eXtended) s