Now revised to comply with new material included in the 2006 CompTIA A+® certification exam, Cheryl Schmidt’s The Complete A+ Guide to PC Repair, Fourth Edition, presents the fundamentals of computer desktop and laptop installation, configuration, maintenance, and networking through simple, step-by-step instruction based on the most recent CompTIA A+® exam objectives. With a focused emphasis on security and customer service skills, this comprehensive book on computer repair introduces the most important tools students need to become professional, customer-friendly technicians using today’s technology.