Failed to wake from sleep

I still have my mac on sleep. But this morning it appeared. What should do? How to repair this failure?

These troubleshooting steps can help you If your Mac does not sleep or wake up when expected - Apple Support

Tags: Mac OS & System Software

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    2. the problem only happens when you start fallout 3 after the sleep mode?

    3. are you able to wake the computer quits successfully sleep mode?

    4. What is the version of Windows installed on the computer?

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    See the link below to learn more about how to clean boot.

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    http://support.Microsoft.com/kb/929135

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    http://Windows.Microsoft.com/en-us/Windows-Vista/what-information-appears-in-event-logs-Event-Viewer

    What are the information contained in the logs of the event (Event Viewer)?

    http://Windows.Microsoft.com/en-us/Windows7/what-information-appears-in-event-logs-Event-Viewer

    I hope this helps!

    Halima S - Microsoft technical support.

    Visit our Microsoft answers feedback Forum and let us know what you think.

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