Computer power supply units are designed to both power your computer's components and protect them from minor surges. But too large of a surge will blow a PSU's fuse and render a computer powerless, ...

There’s a problem with fuses. On the face of it, testing would seem to be a one-shot deal — exceed the rated current and see if it blows. But once you know the answer, the device is useless. If only ...

You can check the power supply on your PC by removing the side panel of its case. If you bought a prebuilt PC, you can also likely check the power supply in the computer's manual or by contacting the ...