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Mountain Lion Crashes on resume from sleep

11905 Views 34 Replies Latest reply: Feb 27, 2013 1:21 AM by chowkb RSS
  • NicholasCR Level 1 Level 1 (0 points)
    Currently Being Moderated
    Sep 14, 2012 4:20 PM (in response to JoshV)

    Did someone, besides the solutions earlier find a fix for this problem?

  • bignellrp Calculating status...
    Currently Being Moderated
    Oct 4, 2012 2:37 PM (in response to NicholasCR)

    I'm having the same issue - please can someone help?


    Someone suggested turning off bluetooth, but mines already off and still nearly everytime it resumes from sleep it freezes.

  • stevenplotkin Calculating status...
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    Oct 4, 2012 8:57 PM (in response to JoshV)

    After a long time in sleep mode when I have used the power button to put it to sleep, my iMac suddenly turns on when I am no where near my computer.  It shows the crash message screen and then reboots. 

    This has happened at least three times and I am beginning to get concerned.  Might be the same issue as intentionally resuming from sleep but what is weird is that it happens randomly and unattended.

  • SanjayK Level 1 Level 1 (0 points)
    Currently Being Moderated
    Dec 8, 2012 2:10 AM (in response to stevenplotkin)

    Same problem. And I don't have sophos or transmit running either.

    Unfortunately there is no sign that apple even recognizes this problem

  • chowkb Calculating status...
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    Feb 27, 2013 1:21 AM (in response to JoshV)

    I have the same issue with my iMac. I am using 10.8.2 and it all started when I bought a D-link switch and plug the network cable directly to the switch. I was using WIFI connection before and did not have any problems. The symptom is it will work normally when the computer is running, but when it sleeps for awhile it will crash and I will see a login screen similar to the first bootup screen. The crash report (Kernel Panic) will show up indicating that I did not do a shutdown properly.


    I tried to remove the network cable and tested for another day without any problem. I realized it might be the new switch causing problems during sleep mode and I am trying to connect it directly to Airport Extreme 5th edition. So far after a day's usage and no problem so far.


    You can try to see if using WIFI will work and then troubleshoot the router / switch that you are connecting directly to it. Sometimes, the MAC may be picky on the type of hardware it is connecting to.


    Good luck!

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