Computer Power Supplies

The performance of your computer relates to its supply of power. Learn how PC power supplies and computer batteries work.

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Keeping your computer cool is important to its well-being and longevity. Learn more about the 6 easy ways to keep your computer cool without using electricity.

By Josh Peterson, Planet Green

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.

By Contributors

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.

By Contributors


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.

By Contributors

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.

By Tracy V. Wilson

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

By Gary Brown & Talon Homer

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.


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.