Deep sleep screen flashes black please help!

Discussion in 'iMac' started by Tbdbuckeyeitl, Jun 22, 2014.

  1. Tbdbuckeyeitl macrumors regular

    Joined:
    Jul 25, 2012
    #1
    When my imac is coming out of a deep sleep such as an hour or more. When the screen wakes and the password screen comes on, it flashes off or black for a quick second then back to password screen. It does not do this during use or a quick sleep just coming out of a long sleep.
    How do I fix this? Is this a major problem worth taking the imac to an apple specialist? Is it a hard drive failure.
    Is this normal please help. Imac is a late 2012 27 inch model with fusion drive.
     
  2. Tbdbuckeyeitl thread starter macrumors regular

    Joined:
    Jul 25, 2012
    #2
    Please help and advise if you know anything about problem or if it's not a problem
     
  3. Tbdbuckeyeitl thread starter macrumors regular

    Joined:
    Jul 25, 2012
    #3
    I reset the pram and unplugged machine. However it does same thing. Can anyone help? Does this seem like a major or potential issue.
     
  4. Tbdbuckeyeitl thread starter macrumors regular

    Joined:
    Jul 25, 2012
  5. Tbdbuckeyeitl thread starter macrumors regular

    Joined:
    Jul 25, 2012
    #5
    Does anyone have any thoughts or have seen this issue?
     

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