For 20 years, Upgrading and Repairing PCs has been the industry?s #1 guide to PC hardware: the single source for reliable, step-by-step information on identifying and fixing problems, adding hardware, optimizing performance, and building new PCs from scratch. Now, this 20th AnniversaryEdition has been completely updated to focus on today?s technologies and today?s maintenance challenges! Download Upgrading and Repairing PCs, 19th Edition Download {hidepost} Upgrading and Repairing PCs, 19th Edition …Click to download