Here are 4 reasons why your computer slows down after a few hours — and how to get it back up to speed.

Even PC pros need to do a little detective work to find out why a computer may be slow. "There are a variety of causes that can slow down operations on computers," Brooks says.

The 14 most common reasons why your computer is so slow – and the simple measures anyone can take to make your desktop or laptop run faster.

Next, find out what antivirus software you're using. Some programs, like Norton or McAfee, are remarkably slow and bloated. In fact, they're probably one of the reasons your computer is so slow.

Here are 4 reasons why your computer slows down after a few hours — and how to get it back up to speed.

So, why is my PC slow? Don't feel bad if you don't automatically know what's going on. Even PC pros need to do a little detective work to find out why a computer may be slow. "There are a variety of ...

Here are 4 reasons why your computer slows down after a few hours — and how to get it back up to speed.