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how can I prevent desktop blue screen and very slow performance?

141 Views 2 Replies Latest reply: Feb 17, 2013 4:24 PM by CMCSK RSS
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Feb 17, 2013 3:57 PM

very new at this. Lately I have been getting a full blue screen on my desktop and have to do a hard restart. Mac is also running pretty slow.

MacBook Pro, Mac OS X (10.7.5)
  • Linc Davis Level 10 Level 10 (107,650 points)

    The next time you have the problem, note the exact time: hour, minute, second.

     

    If you have more than one user account, these instructions must be carried out as an administrator.

     

    Launch the Console application in any of the following ways:

     

    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)

     

    ☞ In the Finder, select Go Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.

     

    ☞ Open LaunchPad. Click Utilities, then Console in the icon grid.

     

    Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.

     

    Scroll back in the log to the time you noted above. Select any messages timestamped from then until the end of the episode. Copy them (command-C) to the Clipboard. Paste (command-V) into a reply to this message.

    When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.

    Please do not indiscriminately dump thousands of lines from the log into this discussion.

     

    Important: Some private information, such as your name, may appear in the log. Anonymize before posting.

  • CMCSK Level 6 Level 6 (10,200 points)

    How large is your hard drive and how much hard drive space do you have left?

     

    Safe Boot by restarting your computer while holding down the "shift" key.  Safe booting disables all nonessential processes, often times allowing you to start up when you would otherwise crash.

     

    http://support.apple.com/kb/HT1564

     

    http://support.apple.com/kb/HT1455

     

     

     

     

     

     

     

     

     

     

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