Why Does My iMac Wake Up?

Discussion in 'iMac' started by CoMoMacUser, Jun 5, 2013.

  1. CoMoMacUser macrumors 6502a

    Joined:
    Jun 28, 2012
    #1
    I usually put my iMac into sleep mode when I'm not using it. Lately it wakes up for no apparent reason. For example, I'm on the other side of the room, so there's no way I could have jostled the mouse or hit a key.

    Is there a log somewhere that shows why it woke up? My only concern is that there's some malware waking it up to do something.
     
  2. rkaufmann87 macrumors 68000

    rkaufmann87

    Joined:
    Dec 17, 2009
    Location:
    Folsom, CA
    #2
    When was the last time you ran Software Update? Also it would be helpful if you at least stated the version of OS X installed and which iMac you have.
     
  3. simsaladimbamba

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    located
    #3
  4. CoMoMacUser thread starter macrumors 6502a

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    #4
    Snow Leopard on a 2008 model. Ran SU this morning.
     
  5. SandboxGeneral Moderator

    SandboxGeneral

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    #5
    Under System Preferences, is Wake for network access checked? If so and it's not needed, uncheck it.
     
  6. CoMoMacUser thread starter macrumors 6502a

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    Jun 28, 2012
    #6
    I don't see that option in the Network section of Internet & Wireless.
     
  7. SandboxGeneral Moderator

    SandboxGeneral

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    #7
    Sorry, it's under Energy Saver.
     
  8. CoMoMacUser thread starter macrumors 6502a

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    #8
    No problem. It's unchecked.
     
  9. Chippy99 macrumors 6502a

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    Apr 28, 2012
    #9
    Did you ever get to the bottom of this? I have an iMac that I put to sleep every night and it stays asleep until morning, every time.

    On the other hand, my Mac Mini is also put to sleep and every single morning, when I come downstairs, its on already.

    The thing is, this has only started happening recently and I haven't done any updates or anything. Very odd.
     
  10. CoMoMacUser thread starter macrumors 6502a

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    Jun 28, 2012
    #10
    No, and unlike your Mini, sometimes my iMac stays asleep. Sometimes it doesn't. Very strange.

    Which OS does your Mini run?
     
  11. Macman45 macrumors demi-god

    Macman45

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    #11
  12. Chippy99 macrumors 6502a

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    Apr 28, 2012
    #12
    All those posts seem to be about difficulty in waking up your Mac. Not difficulty in keeping it asleep!
     
  13. Macman45 macrumors demi-god

    Macman45

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    #13
    It's the same fault...It's well worth trying. I had the same issues with y new Imac, and after disabling things as posted, I don't have issues any longer.

    Your Mac will still sleep as normal, but will wake properly and no random events either.

    Apple know about it, but I guess It will be fixed in Mavericks now.
     
  14. CoMoMacUser thread starter macrumors 6502a

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    Jun 28, 2012
    #14
    My iMac won't stay asleep.
     

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