The PC doctor's fix-it-yourself guide

the long version

Get advice and solutions for solving myriad of your PC problems, including expert tips on researching solutions on your own. Learn how to maintain your computer, keeping it in good working condition, plus how to upgrade and install new software safely. Troubleshoot Linux, Windows, and personal devices, use the internet effectively as a problem-solving tool, get up to speed on computer security, and set up small home and wireless networks. The companion Web site provides additional support.