Before touching any hardware, turn off the computer and unplug it from the wall outlet. Hold the power button for a few seconds to drain residual power from the capacitors.
Paperclip Method: A Simple Way to Check Your PSU Health
This test bypasses the need for a case switch, allowing you to verify the unit is active. Unplug the PSU from the computer and locate the 24-pin main connector.
A failing PSU can manifest as random shutdowns, component instability, or an inability to power on at all. Smell the air around the PSU; a distinct burnt odor is a definitive sign of electrical failure and requires immediate replacement.
Paperclip Method: A Simple Guide to Check PSU Health
Safety First: Preparing for the Test Working inside a computer involves risks, primarily from electrostatic discharge (ESD) and accidental short circuits. Ground yourself by touching a metal part of the case or wear an ESD wrist strap.
More About How to test power supply of computer
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