"Plastic parts of older computers become yellow or brown over time, so you end up with a computer that looks yellow or brown instead of white or gray. In this tutorial, we will show you how to restore old plastic parts to their original color by using a homemade peroxide-based solution called Retr0bright."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips