This guide provides a detailed, step-by-step methodology for testing your computer’s power supply safely and effectively. Check the cables for fraying or bent pins, particularly the 24-pin ATX and CPU connectors.
Testing the Green PS_ON Pin: Verifying Power Supply Activation
Plug the PSU into a wall outlet and turn the power switch on the back to the "I" position. Method 1: The Paperclip Test (Basic Power-On Test) The paperclip test is a standard method to check if the PSU turns on and outputs power to the rails.
Hold the power button for a few seconds to drain residual power from the capacitors. Safety First: Preparing for the Test Working inside a computer involves risks, primarily from electrostatic discharge (ESD) and accidental short circuits.
Testing the Green PS_ON Pin with a Paperclip
Additionally, ensure you are working on a non-conductive surface and keep loose jewelry or metal objects away to prevent shorts. If the PSU fan spins continuously, the unit is receiving power and is likely functional.
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