How to Expand and Upgrade PCs is a richly illustrated, full-color book focusing on upgrades and add-ons that any consumer level user can make to their PC. Instead of simply reading like a manual, this book brings together all of the pre-purchase, installation, and usage issues a user faces. Each chapter looks at determining the type of upgrade needed, the tools and other requirements for installation, and using the hardware once it's installed.. Coverage includes DVDs, digital cameras, scanners, removable drives, USB scanners, firewall devices, palmtop devices, home wireless networks and more.