iMac randomly waking from sleep?!

Discussion in 'iMac' started by will0407, Jan 5, 2009.

  1. will0407 macrumors 6502a

    May 20, 2006
    My imac (alu 20", 2.4Ghz) keeps waking from it's sleep in the middle of the night, and in turn, waking me from my sleep in the middle of the night!

    I have a USB mouse and a bluetooth keyboard- I have bluetooth set to 'not wake the computer from sleep mode'. I disconnect my external HD, and my printer and any other peripherals are switched off.

    Does anyone know why it'll just turn itself back (and random times) on after I've put it to sleep?
  2. silverblack macrumors 68030


    Nov 27, 2007
    The same thing is happening to my Mac Mini (waking in the middle of a night, two times in the past week).

    In my case, I've already checked that it has:
    - no scheduled wake/sleep
    - 'Wake for Ethernet network administrator access' was unchecked
    - Bluetooth was disabled
    - my USB wireless mouse and keyboard cannot wake computer from sleep
    - I do have Elgato EyeTV 250 plugged in to USB, but it's not new
  3. will0407 thread starter macrumors 6502a

    May 20, 2006
    maybe if we get the new imac and mac mini each it'd solve the problem!:p

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