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panic screen, panic screen

594 Views 15 Replies Latest reply: Dec 28, 2012 12:02 PM by John Galt RSS
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adinkrahene2 Calculating status...
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Dec 4, 2012 6:51 AM

Mac keeps shutting down randomly

MacBook Pro, OS X Mountain Lion (10.8)
  • ds store Level 7 Level 7 (30,305 points)
    Currently Being Moderated
    Dec 4, 2012 7:01 AM (in response to adinkrahene2)
  • Linc Davis Level 10 Level 10 (107,995 points)
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    Dec 4, 2012 9:20 AM (in response to adinkrahene2)

    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 (107,995 points)
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    Dec 9, 2012 6:38 AM (in response to adinkrahene2)

    would this unit still be covered by the apple program.

     

    Only Apple can answer that question. I don't represent Apple.

  • ObliTech Calculating status...
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    Dec 9, 2012 7:25 AM (in response to adinkrahene2)

    Most possibly you will get rid of the kernel panics simply by de-selecting the "Automatic graphics switching" in the "Energy Saver" under "System Preferences".

     

    This may work and solve most of the kernel panics on Apple systems with dual graphics where the Intel HD graphics are integrated..

     

    You will need to re-boot one or two times before you get a stable state.

     

    If you check this out and it should solve your problem you have saved you all the troubles by sending you system back to the US for service...

  • ObliTech Level 1 Level 1 (0 points)
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    Dec 9, 2012 8:04 AM (in response to adinkrahene2)

    The kernel panics are avoided when the Intel HD graphics are disabled on my system. My MacBook Pro 8.3 have the AMD Radeon HD 6770M. I have observed that the drivers used in 10.8.2 may cause kernel panics with the following graphic NVIDA GeForce graphics cards: GT 120, GT 320M, GT 330M, 9400M, and GT 9600. It is expected that either 10.8.3 or a update will fix this.

     

    There is drivers for 10.8.2 at http://www.nvidia.com/object/cuda-mac-driver.html , but I do not know if they solves the problem.

  • ObliTech Level 1 Level 1 (0 points)
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    Dec 9, 2012 10:02 AM (in response to ObliTech)

    Booted the Lion 10.7 installation and discovered that the DEFAULT setting in Lion 10.7.x are => The "Automatic graphics switching" in the "Energy Saver" under "System Preferences" are de-selected...

     

    That may explain both why I did not get kernel panics when using Lion AND why the battery life was so low..

     

    As I did not have a single kernel panic when using Lion I will boot up Lion again - select the "Automatic graphics switching" and verify if the kernel panics return (with Lion) - as I expect there must have been a cause to the rather strange default setting that certainely would compromize battery life...

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