System components - what they are and how they work; checklists of tools, utilities and other basic repair items; CMOS settings and how they relate to your hardware; upgrading your PC's memory; replacing internal and/or external disk drives; replacing, upgrading internal/external CD-ROM drives; choosing and adding a removable storage drive; upgrading system boards; choosing or upgrading a sound card; choosing or upgrading a video card; adding/changing monitors; modems and other communications devices; selecting and installing a printer; scanners and digital cameras; upgrading your OS; other items - sound system components, the PC case, power supply, input devices, etc; performance monitors, diagnostic tools, virus checkers; purchasing upgrade components via the Internet.
