Sams Teach Yourself Upgrading and Fixing PCs in 24 Hours, Second Edition is the fast, easy, and effective way to decide how to upgrade, know when to repair, and get the basics of adding all those bells and whistles that make owning a PC so appealing. How do you install a scanner? What happens when you need more memory? How do I hook up a digital camera? How do I install sound and video cards? This book answers these questions and more in a practical, easy-to-understand, step-by-step format.