A computer can tolerate slight differences in power, but a significant deviation will cause the computer's power supply to fail. A UPS protects a computer against four different power problems. See more »

The power supply in your PC provides all of the different voltages your computer needs to operate properly. Find out how it puts the pieces together and troubleshoot your power supply problems. See more »

Dell, Apple and the U.S. Consumer Product Safety Commission announced that several lithium-ion laptop batteries could short-circuit, causing an explosion or a fire. Find out why. See more »

The RTC chip, or Real Time Clock, does more than keep your computer set to the correct date and time. Without it, you wouldn’t even be able to boot up. See more »

Laptop batteries are expensive, and they usually last 2 to 3 years if they are cared for properly. Learn if your laptop battery can be overcharged in this article. See more »

It's important to know how to keep your Dell laptop from overheating. Learn about how to keep your Dell laptop from overheating in this article. See more »

It's important to figure out how to know when you computer battery is dead. This article will explain how to know when your computer battery is dead. See more »