Remove the power supply from the case or disconnect all cables from the motherboard and components. You want to test the PSU in isolation.
Compare the numbers on the screen to the standard voltages: pc power supply checker
: Displays real-time readouts for the +12V, +5V, and +3.3V rails. Remove the power supply from the case or
There are several methods to verify your PSU's health, ranging from quick software checks to professional-grade hardware testing. 1. Hardware PSU Testers (Recommended for Accuracy) pc power supply checker
Safety Note: While PSU testers are generally safe, you are working with a device connected to mains electricity. Always ensure the power supply is switched off (0 position) or unplugged before connecting the tester.