My computer powered off the other day on its own, and now when I push the power button, nothing happens. My assumption would naturally be that the power supply is done (possibly well done) but is there any good way to test this before I buy a new one?
Solution:
Unplug the power supply from any of the components inside the computer (or just remove it from the computer completely).
USE CAUTION HERE (Though you’d only be shocked with a max of 24 volts)
- Plug the power supply into the wall.
- Find the big 24-ish pin connector that connects to the motherboard.
- Connect the GREEN wire with the adjacent BLACK wire.
(If you’re colorblind, the green wire sits between three black wires on one end and one more on the other) - The power supply’s fan should start up. If it doesn’t then it’s dead.
- If the fan starts up, then it could be the motherboard that’s dead. You can use a multimeter to check if there is power output from the power supply.
