How to Test a Computer Power Supply Using a Voltmeter. The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's ...

If you want to test the Power Supply Unit (PSU) of your Windows computer, use one of the methods mentioned in this post.

Lenovo is issuing a recall for more than 500,000 computer AC power cords in the U.S. after receiving reports of the cord overheating, sparking, melting, and burning. All problematic cords were ...