imac freezes after sleep

Discussion in 'macOS' started by macusera80, Nov 5, 2009.

  1. macusera80 macrumors newbie

    Joined:
    Nov 5, 2009
    #1
    I recently had a hard drive failure in my imac which i replaced with the the samsung drive listed below and a fresh install of snow leopard. Now i am experiencing a problem when waking my mac from sleep. about 50% of the time when it wakes it will immediately freeze which can only be resolved by a reboot. Could this be caused by this new drive being a "green" drive that conserves more energy when asleep by going into a slower state than a typical drive or is this a software issue?

    imac
    2 ghz
    4 g ram

    Hard Drive
    SAMSUNG HD154UI
    1.5 t
     
  2. stridemat Moderator

    stridemat

    Staff Member

    Joined:
    Apr 2, 2008
    Location:
    UK
    #2
    I have heard of this problem before, try resetting PRAM and it seems to sort out the problems.
     
  3. cmcbridejr macrumors 6502a

    cmcbridejr

    Joined:
    Sep 28, 2007
    Location:
    Alpharetta, GA
    #3
    I had this exact same problem that lasted a few weeks.

    As mentioned in the previous post, try resetting the pram.

    It worked for me. My iMac has not "frozen" after sleep since doing this a few months ago.

    Let us know if this works for you.
     
  4. macusera80 thread starter macrumors newbie

    Joined:
    Nov 5, 2009
    #4
    Thanks for the help guys. Ill let you know if this works.
     
  5. iLog.Genius macrumors 601

    iLog.Genius

    Joined:
    Feb 24, 2009
    Location:
    Toronto, Ontario
    #5
    While you're at it, try doing an SMC reset as well.
     

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