PC models: how they're different, how they're similar -- Disassembling the PC -- Inside the PC: pieces of the picture -- Avoiding service: preventive maintenance -- Troubleshooting PC problems -- Installing new circuit boards(without creating new problems to troubleshoot) -- Repairs with circuit boards and chips -- Semiconductor memory -- Power supplies and power protection -- Hard disk drive overview and terminology -- Installing a hard drive -- How DOS organizes your disk -- Preventive maintenance for your hard disk -- Recovering data and fixing hard disks -- Understanding, installing, and repairing floppy drives -- Understanding and installing SCSI devices -- Troubleshooting printers -- Troubleshooting laser printers -- Modems and serial interfaces -- Keyboards and mice -- Video adapters and displays -- Play it loud: sound boards -- You ought to be in pictures: video capture -- An overview of CD-ROM -- A buyer's guide to PCs -- Notebook/Laptop computers -- Utilizing the Internet and online services.