World-renowned PC hardware expert Scott Mueller has been completely updated legendary Upgrading and Repair PCs to reflect today's latest PC technologies, and adding a new DVD with more than two hours of digital video showing a PC maintenance and repair, which can be witnessed in their DVD-equipped one PC or DVD player. Mueller presents updated coverage of every significant PC component: processors, motherboards, memory, BIOS, IDE and SCSI interfaces, drives, removable and optical storage, video and audio hardware, USB, FireWire, Internet connectivity, LANs, power supplies, even PC cases.