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Released June 2009 / 2.66, 2.8, or 3.06 GHz Core 2 Duo Processor

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diagnose: is it the logic board and/or the graphics card?

I’m trying to figure out the repair my macbookpro 15’ mid 2009 3,06GHz needs:

-blacks on the display turn green, pressing the case sometimes helps

- fans turn on maximum after just a few minutes in operation.

otherwise the computer works fine. Still on OS10.7.5

much appreciated if anyone can help me diagnose

a newbie

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Yes, you have a GPU failure! To fix this will require a new logic board or we can bypass the dedicated GPU and just use the less powerful intel graphics.

Here’s the needed part for replacing the logic board:

And here’s the guide: MacBook Pro 15" Unibody Mid 2009 Logic Board Replacement

Or… Using this app gfxCardStatus to force the Intergraded graphics engine to be used all of the time.

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