How to Test If A Power Supply (PSU) Work Properly

Soultion 1: Use another power supply to replace the one need to be tested.

Solution 2: If you haven’t another power supply, you can

  1. Prepare a little copper wire or a paper clip or anything that is electric conduction.
  2. Connect the green and any of black wire line with the copper wire in the 24pin (or 20pin) socket of the power supply.
  3. If the fan works, the power supply works ok, and vice versa.

How to Test If A Power Supply (PSU) Work Properly

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