iMac and problems with Sleep mode

Discussion in 'iMac' started by MrMacMini, Nov 18, 2011.

  1. MrMacMini macrumors regular

    Joined:
    Jun 4, 2009
    Location:
    So Cal....
    #1
    For the last week it seems that my iMac (24" 2008 model) has been having issues staying in sleep mode.

    I put the computer in sleep mode and a few hours later the iMac either wakes up completely or the HDD starts working (screen still off but can hear the HDD working) without anybody physically touching it.
     
  2. Detrius macrumors 68000

    Joined:
    Sep 10, 2008
    Location:
    Asheville, NC
    #2
    Maybe it's not actually going to sleep to begin with. Run the following to get an idea of whether this is the case:

    Code:
    pmset -g assertions
     

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