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since I installed mountain lion my computer randomly restarts

226 Views 5 Replies Latest reply: Oct 20, 2013 8:16 AM by Linc Davis RSS
petervdvelde Calculating status...
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Oct 19, 2013 7:24 AM

can somebody help me to fix that my mac book pro 15" Mid 2010.

It randamly restarts when I move my mouse to the dock .

many thanks,

Peter

MacBook Pro (15-inch Mid 2010), OS X Mountain Lion (10.8.5)
  • Linc Davis Level 10 Level 10 (108,150 points)

    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.

     

    In the Console window, look under the heading DIAGNOSTIC AND USAGE INFORMATION on the left for crash or panic reports. If you don't see that heading, select

    View Show Log List

    from the menu bar. A crash report has a name ending in ".crash" and a panic report has a name ending in ".panic" Select the most recent report from each subcategory and post the entire contents — the text, please, not a screenshot. In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.)

     

    Please don’t post shutdownStall, spin, or hang logs — they're very long and not helpful.

  • Linc Davis Level 10 Level 10 (108,150 points)

    There should be a panic report. Please review the instructions and try again.

  • Linc Davis Level 10 Level 10 (108,150 points)

    You have the MacBookPro6,2, the Edsel of Macs. It may be covered by this program:

    MacBook Pro (15-inch, Mid 2010): Intermittent black screen or loss of video

    Make a "Genius" appointment at an Apple Store, or go to another authorized service provider, to have the machine tested. The routine hardware diagnostics used by service providers may not detect the fault. There is a specific test for this issue.

    Print the first page of the panic report, and the support page linked above, and bring them with you.

    Note that the replacement program only applies within three years of purchase. If you wait beyond that date, Apple may refuse the service. In that case, you'll be quoted a price of about $300 (in the U.S.) for a depot repair. The model was discontinued in February 2011, so the replacement program will be ending quite soon.

    Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.

     

     

    Sometimes the replacement part is also defective, so be prepared for that possibility.
       
    If it's too late for your unit to be repaired under the program, and you don't want to pay for a new logic board, you may be able to stop the panics by disabling automatic graphics switching.
       
    *An SSD doesn't need to be zeroed.

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