Is this a hardware fail or software bug?

Discussion in 'MacBook Pro' started by jonsa, Mar 20, 2013.

  1. jonsa macrumors newbie

    Joined:
    Jun 28, 2007
    #1
    My 15" Retina has started to show this (see attached pic). Is it a hardware problem?
     

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  2. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #2
    Since it is visible in screenshots, is most probably a software bug. Updated to 10.8.3 yet?
     
  3. jonsa thread starter macrumors newbie

    Joined:
    Jun 28, 2007
    #3
    Makes sense... Will update and follow up. Thanks!
     
  4. Ultra AleM macrumors 6502a

    Ultra AleM

    Joined:
    Jun 22, 2012
    Location:
    Italy

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