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For 25 years, Upgrading and Repairing PCs has been the world’s #1 guide to PC hardware: The single source for reliable information on troubleshooting and fixing problems, adding hardware, optimizing performance, and building new PCs. Now, better than ever, this 21st edition offers beefed-up coverage of the newest hardware innovations and maintenance techniques, plus more than two hours of new DVD video. Scott Mueller delivers practical answers about PC processors, mother-boards, buses, BIOSes, memory, SSD and HDD storage, video, audio, I/O, input devices, networks, Internet connectivity, power, and much more. You’ll find the industry’s best coverage of diagnostics, testing, and repair—plus cutting-edge discussions of improving performance via overclocking and other techniques. Mueller has taught thousands of professionals in person and millions more through his books and videos—nobody knows more about keeping PCs running perfectly. Whether you’re a professional technician, a small business owner trying to save money, or a home PC enthusiast, this is the only PC hardware book you need! NEW IN THIS EDITION • The newest processors, including Intel’s 3rd generation Ivy Bridge Core i-Series processors and AMD’s 2nd generation Trinity CPUs • 3TB (and larger) disks, 4K sectoring, partition alignment, faster SATA disk interfaces, and SSD (solid state drive) hard drive replacements • New firmware innovations, from full UEFI BIOS support to built-in motherboard flash BIOS upgrade utilities • Integrated video and audio, including 5.1/7.1 surround sound, HDMI, and DisplayPort connections, and Windows 8 compatible multi-touch touchscreen technology • Updated PCI Express 3.0, 4.0 interfaces, and Power Supply specifications for powering high-end video cards • Emerging interfaces such as SATA Express, USB 3.0, and Thunderbolt • Updated coverage of building PCs from scratch—from choosing and assembling hardware through BIOS setup and troubleshooting