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 ...

"Help! My (new/old/whatever) system won't POST!" There are a number of solutions to this problem. Unfortunately, troubleshooting this seems to be the most difficult, since there are many things which ...

1] Does the PSU fan spin on startup? Some users reported that their Power Supply Unit fan spins on startup but stops after some time. Others reported that the PSU fan does not spin even on startup.

High-end PC gaming is often exclusive territory due to the high cost of entry and multitude of hassles that accompany trying to make bleeding edge components play nicely together. A competent gaming ...

Computer power failures can cause people to panic if they don't properly troubleshoot issues. Common problems cause computers to either not power on or to fail before the operating system starts. A ...

My computer won’t turn on. It’s one of the most horrifying sentences a computer lover will ever utter. The worst thing is, that even the best PCs will have the occasional moment where the CPU won’t ...

An issue with noisy power supplies that we reported more than a month ago is continuing to generate numerous complaints on Apple's discussion boards, with little response acknowledgement from Apple's ...

Picking out a PC power supply is a lot more challenging than it might seem at a glance. While there are always plenty of reviews of the best processors and top graphics cards, Power supply units (PSUs ...

It has been a few days since we covered some power supply shenanigans, which was a story that got us all fired up for a much-needed refresher on PSU purchasing strategies. Processors, graphics cards, ...