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Screen issues MacBook Pro on lcd but not on external

my screen has some issues interlacing when starting up and at the logon in screen it shows this:

Block Image

i also get a videocontroller error when i run AHT.

it displays fine on the external monitor.

Answered! View the answer I have this problem too

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fixed it with a new lvds cable

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AHT knows what it knows... so you have a video controller hardware issue. On laptops these are not DIY replace/repairable. If you have Applecare use it... if not you're looking at a DIY replacement of the logic board (advanced DIY).

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i brought it in and it passed the NVIDIA test

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Its the screen, it looks as if it had an excessive amount of pressure put on it.

Hope this helps,

John H, Laney

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james will be eternally grateful.
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