1. nicrom, Mar 9, 2014

   nicrom macrumors newbie

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   Mar 9, 2014

   #1

   When i power on my iMac I get this beautifull black/white screen. It's from display or GPU ?

    

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2. magamo, Mar 9, 2014

   magamo macrumors 6502

   Joined:

   Apr 6, 2009

   #2

   That looks awfully similar to what I got after dropping my Macbook Pro on a hard concrete surface. In my case, it was the GPU and logic board combined.

    

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3. nicrom, Mar 9, 2014

   nicrom thread starter macrumors newbie

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   Mar 9, 2014

   #3

   So ... solution it's trying reballing on GPU but with logicboard ? change it ?

    

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