An ATX power supply unit, or PSU, has a 24-pin connector for energy delivery. The symptoms of a dying or dead ATX PSU are identical to those of any PSU and involve operational problems in your PC -- ...

So you have tested everything from the motherboard to the floppy drive. Still having problems? Have you tried testing the power supply? This Daily Drill Down by Faithe Wempen gives you the scoop on ...

Standard ATX power supplies aren't designed to turn on unless they are properly connected to a motherboard. This helps to ensure that they can't power up and damage computer components if the plug isn ...

A power supply unit for a self-built or upgraded desktop PC must meet various criteria – and still remain affordable. We have answered frequently asked questions for you. How do I estimate how much ...

Power supplies are simple, right? Just figure out how much power draw all your computer parts use, get one with a few more watts, and call it a day. Wrong! In addition to creature comforts like ...