iMac 7,1 turns on at night randomly

Discussion in 'iMac' started by tinmancactus, May 28, 2012.

  1. tinmancactus macrumors newbie

    May 28, 2012
    Hello everybody,

    I have a 20-inch, Mid 2007 iMac which wakes me up at night all the time D:
    At random intervals at night when my mac has been set to 'sleep', it will turn on, make some noises (Sounds like the HDD spinning, a fan going and perhaps a few other things) for maybe 20 seconds or so and then goes back to sleep and is silent again. All this happens without the screen turning on, although I think the screen does come on, just the image remains completely black.

    I know an easy solution would be to turn it off completely but I like to use as my alarm clock.

    It happens consistently no matter what apps I have open. It happened before I set up Time Machine and continues to so I can't imagine it's making backups...

    Sometimes it happens several times in one night.

    All I want is to sleep in peace!

    Any help is greatly appreciated.


  2. rkaufmann87 macrumors 68000


    Dec 17, 2009
    Folsom, CA
    System Preferences - Energy Saver - Power tab - uncheck Wake for Network Access box.
  3. tinmancactus thread starter macrumors newbie

    May 28, 2012
    Wow. That was easy. Thank you so much!
  4. woody777 macrumors newbie

    May 25, 2012
    Looks like ur I Mac is a sleepwalker. :rolleyes:
    Did u speak with a doctor?

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