To test the PSU without a multimeter, you can perform a paperclip test to see if the fan spins. Replacing this coin-shaped cell is a cheap and easy fix.
Desktop Does Not Turn On LED Diagnostic Steps
By removing graphics cards, extra drives, and unnecessary RAM, you eliminate variables that could be causing a power spike or short. Component Potential Issue Power Supply Dead PSU, faulty internal relay, or blown fuse.
Check if the outlet is functional by plugging in another device. When you press the power button and nothing happens, it can feel like the desktop does not turn on for no reason at all.
Desktop Does Not Turn On LED Diagnostic Steps
A quick check of these fundamentals saves time and prevents unnecessary hardware panic. Ensure the power switch on the PSU itself is turned to the "I" position.
More About Desktop does not turn on
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