.perhaps the most comprehensive book on the subject we've ever seen. It's incredibly well researched, well written, and jam packed with useful information.'-Josh Norem, Reviews Editor, Maximum PC Upgrading and Repairing PCs is the definitive guide to the inner workings of your PC. Whether you're adding a faster processor or bigger hard drive, tracking down a problem, or just want to understand how the components of your computer work together, this book explains everything you need to know.