The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...

Troubleshooting computer power issues can be difficult, as the problem could originate with the power supply unit, or PSU, or the motherboard. Testing each component separately helps narrow down where ...

Problem started when the power went out briefly during a thunderstorm. Surge protector in place. Power came back up, rebooted the pc, no immediate issue. Came home next to find pc had shut off. POST ...