Tip - Starting From Scratch: A Step-by-Step Guide to Reinstalling Your OS

If your computer's running slowly and you've tried everything else, it might be time for a fresh install of your operating system. Here are some tips, tricks, and best practices to get through the process quickly and easily.
Tags: Optimization, Operating Systems, Cleaning, Disk recovery, Clutter, Howto, install, Windows, Mac OS X, Linux, Hard Drives, Feature, Top, Upgrades, Defragment, Disk Space, Gizmodo, Lifehacker