This comprehensive book contains numerous hands-on activities to present a step-by-step approach to learning the details of microcomputer hardware and software maintenance and repair, as well as troubleshooting methods. It prepares users for the A+ certification exam and emphasizes the development of skills needed by computer technicians in today's marketplace—diagnosing problems, installing new software applications or operating systems, replacing/upgrading motherboards, and more. The book is divided into two main parts containing 25 exercises each. Part I covers microcomputer hardware—from motherboards, to Plug-and-Play adapters, disk drives, memory, and networking hardware. Part II provides extensive coverage of the suite of Windows operating systems—from Windows 95 up through Windows 2000. Software installation, virus protection, and performance enhancements are some of the many topics presented. For computer technicians and network technicians.