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Rebooting and restarting macbook pro mid 2009 on mountain lion

302 Views 12 Replies Latest reply: Nov 22, 2012 6:17 AM by Linc Davis RSS
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Nov 12, 2012 10:39 PM

I have a MacBook Pro Mid 2009 2.66 GHz Intel Core 2 Duo with 8gb of memory. Computer ran excellent for all these years from snow leopard to lion but once i upgraded to mountain lion it tends to reboot and or restart on almost every start up. Any suggestions would be greatly appreciated.


Thanks in advance!

MacBook Pro, OS X Mountain Lion (10.8.2), Unibody
  • Linc Davis Level 10 Level 10 (107,800 points)

    What exactly do you see when this happens?

  • Linc Davis Level 10 Level 10 (107,800 points)

    That was a kernel panic, but it happened months ago.

  • Linc Davis Level 10 Level 10 (107,800 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.


    Select the most recent panic log under System Diagnostic Reports. Post the entire contents — the text, please, not a screenshot. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header and body of the report, if it’s present (it may not be.) Please don't post shutdownStall, spin, or hang reports.

  • Linc Davis Level 10 Level 10 (107,800 points)

    That panic was not caused by third-party software. If the problem is recurrent, the possibilities are (1) a damaged OS X installation; (2) a fault in a peripheral device, if any; (3) an internal hardware fault; and (4) an obscure bug in OS X.


    You can rule out the first two possibilities by reinstalling the OS and testing with non-essential peripherals disconnected. Probably there will be no change. In that case, make a "Genius" appointment at an Apple Store to have the machine tested. You may have to leave it there for several days. There isn't much point in doing this unless you can reproduce the panic, or unless it happens often enough that it's likely to be repeated at the store. Otherwise you may be told that nothing is wrong.


    Print the first page of the panic report and bring it with you.


    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 know how to restore, and you have at least  two independent backups.) Don’t erase the recovery partition, if present.


    *An SSD doesn't need to be zeroed.

  • Linc Davis Level 10 Level 10 (107,800 points)

    Could be.


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