Step by step guide to upgrading repairing maintaining & protecting a PCShows you how to upgrade memory & hard drives Get to know exactly how your PC works This fully revised fifth edition of the best-selling Computer Manual brings us right up to date with the latest technology. From understanding motherboard architecture to adding a new hard drive & memory & from installing an expansion card to setting up a network this manual written in plain English guides the reader through the essentials of maintaining & upgrading a home or small business PC. New topics covered in this fifth edition include Windowsandreg 7 the successor to Vista mobile broadband installing Linux on an older computer & using online applications to save money & make collaboration easier. br