How does a computers uninterruptible power supply UPS work?

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.

How PC Power Supplies Work

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.

How Surge Protectors Work

When you put together a computer system, one piece of standard equipment you'll probably use is a surge protector. They safeguard your computer and electronic devices from power surges in your electrical system.

What is causing lithium-ion laptop batteries to overheat or catch fire Is my battery at risk?

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.

Why does my computer need a battery?

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.