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My display is showing only lines and nothing else

My MacBook began showing green vertical lines on various areas of the display. now the display black with pink lines across it. However, when i connect it to an external display. The image is fine and no lines are shown. Is it a GPU problem or is it the display?

I tried resetting the PRAM and the SMC.. it made no difference.

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When you move the screen same result?


Yes, when I move the screen it's the same result. I tried pressing the corners or even twisting a little but it remained the same


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Before you replace the LCD, try just reseating the cables. If it still does not work, try just slapping the back of the LCD a few times, it may move it back into place. Otherwise it would be a defective LCD. When it started, was there any recent drops, spills?

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I tried reseating the cables but that didn't help. Gonna try slapping the back and see if it helps.

There were no spills, however it did fall of my car seat while driving and hit the floor. It was in a hard case and in my bag. This happened like 1yr ago.


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jiovany will be eternally grateful.
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