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内容紹介 Diagnose and solve your PC problems with this easy-to-understand guideWritten by veteran For Dummies author Dan Gookin， this straightforward guide shows you how to diagnose and solve the most common hardware and software problems your PC may encounter. In addition， he presents advice for preventing PC problems in the first placeand clearly explains how to create a safe and secure PC environment.    Walks you through ways to diagnose the most common PC hardware， software， and operating system problemsOffers clear and easy-to-understand solutions for confidently handling these problemsShares valuable advice about maintaining your system to maximize its lifespanReviews an array of useful toolsCovers Windows Vista， Windows 7， and Internet Explorer 8Troubleshooting & Maintaining Your PC All-in-One For Dummies， 2nd Edition helps you to confidently handle whatever PC problems you may encounter.