Here's the book for PC technicians who just want the facts-essential code tables, commands, symptom summaries and other frequently needed information for troubleshooting PCs-without having to wade through mounds of text and theory to get them. It's compact enough to fit into any toolbox, and packed with quick-reference tables and charts that can help make fast work of any field PC troubleshooting and repair job. This handy, pocket-sized reference provides a wealth of concise troubleshooting advice and information in easy-to-look-up tables and charts on virtually every major PC component: drives, input devices, modems, motherboards, video, and peripheral devices, including an essential summary of DOS commands and functions that technicians often need and rarely find. No PC technician will want to leave home without it.