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My New MacBook Pro reboots without warning and I cannot do software updates either

414 Views 10 Replies Latest reply: Jun 3, 2013 10:44 PM by Linc Davis RSS
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Apr 26, 2013 4:23 PM

I have a new MBPro 17" and i when i try to do Apple Software updates it crashes and reboots.

in addition it logs me out and I get the LogIn screen whenever i leave the system idle for a period of time.

I bought this MBPro just three months ago and it is very frustrating.

Any suggestions would be greatly appreciated.

Kind regards


MacBook Pro, Mac OS X (10.6.3)
  • William Lloyd Level 6 Level 6 (19,220 points)

    Did you buy it used?  The 17" MacBook Pro hasn't been sold as new since last June.


    At any rate, post the kernel panic log here and maybe something will stick out at us.  What version of OS X are you running?  Your signature says 10.6.3; it may be out of date?

  • Barney-15E Level 7 Level 7 (33,420 points)

    If you bought it only three months ago, new or refurbished, from an authorized Apple dealer, then take it in to them and have them look at it.

  • Barney-15E Level 7 Level 7 (33,420 points)

    Kernel Panics are caused by hardware faults and incompatible kernel extensions. The most frequent hardware problem is RAM. Macs drive RAM to their spec'd limits. If you install cheap RAM, it will likely not work.


    Uninstall whatever software you installed that put this kext on your Mac. You should use the uninstaller that was provided with the software you installed.



    If after removing that kext you still get kernel panics, it could be cause by external hardware, too, so disconnect any external peripherals including hard drives and see how it works.

    Still problems, reinstall the OS and check again.

    If still problems, take it in for servicing.

  • Linc Davis Level 10 Level 10 (107,985 points)

    Does the latest panic report still show the "devguru" kernel extension present?

  • Eric Root Level 6 Level 6 (13,940 points)
  • Linc Davis Level 10 Level 10 (107,985 points)

    You haven't uninstalled the driver, or you didn't reboot after uninstalling it.

    Any third-party software that doesn't install by drag-and-drop into the Applications folder, and uninstall by drag-and-drop to the Trash, is a system modification.

    Whenever you remove system modifications, they must be removed completely, and the only way to do that is to use the uninstallation tool, if any, provided by the developers, or to follow their instructions. If the software has been incompletely removed, you may have to re-download or even reinstall it in order to finish the job.


    Here are some general guidelines. Suppose you want to remove something called “BrickYourMac.” First, consult the product's Help menu, if there is one, for instructions. Finding none there, look on the developer's website, say (That may not be the actual name of the site; if necessary, search the Web for the product name.) If you don’t find anything on the website or in your search, contact the developer. While you're waiting for a response, download BrickYourMac.dmg and open it. There may be an application in there such as “Uninstall BrickYourMac.” If not, open “BrickYourMac.pkg” and look for an Uninstall button.

    You may have to log out or reboot in order to complete an uninstallation.

    If you can’t remove software in any other way, you’ll have to erase your boot volume and perform a clean reinstallation of OS X. Never install any third-party software unless you're sure you know how to uninstall it; otherwise you may create problems that are very hard to solve.

    Trying to remove complex system modifications by hunting for files by name often will not work and may make the problem worse. The same goes for "utilities" that purport to remove software.


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