Windows 7 is filled with troubleshooters—little wizards
that analyze a situation and try to provide guidance to help solve
problems. If you run into a problem, Windows will often
suggest a particular troubleshooter. However, you can choose a
troubleshooter and can run it whenever you want.
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Click the Action Center icon in the notification area of the
taskbar, and choose Open Action Center to display the Action Center
window. In the Action Center window, click Troubleshooting near the
bottom of the window to display the Troubleshooting window.
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Select a category to view the troubleshooters for that topic.
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Click a troubleshooting topic to start the Troubleshooting wizard.
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If you can't find the troubleshooter you want, click the Back arrow to return to the Troubleshooting window.
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Click View All to see a complete list of troubleshooters, and then click the troubleshooter you want.
Tip
When you select a category, Windows checks on line (provided you're
connected to the Internet) for new troubleshooting packs. With new
troubleshooters being written to address recently discovered problems,
what you see here is likely to be different from what you see on your
computer.
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Click the troubleshooter you want to use to start the Troubleshooting wizard.
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If you want to run the troubleshooter as an Administrator, or if you want to disable automatically applying fixes, click Advanced.
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Click Next, and wait for the Troubleshooter wizard to gather information and run any diagnostics.
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Continue to step through the wizard.
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If additional information is required, supply it, and click Next.
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If you're given the option to take an action, click the action to apply a fix.
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If a fix or fixes were applied, click here to see a report on the troubleshooting and what fixes were applied.
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If the troubleshooter didn't fix the problem, click here to see what else you can do.
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Click Close if you've solved the problem, or if you want to use a different troubleshooter to investigate other problems.