Model A1502 / 2.4, 2.6, or 2.8 GHz dual-core Intel processor / Released October 2013

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Bottom half of screen is black

So I was a tv show on a website and it was on full screen. When I was done I exited full screen and entered another tab. When I entered the tab the bottom half (more than half actually) of the screen turned black and I tried to reset things and I did many things and it still doesn't work.

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Did you try it on an external? I ask because this question is what brought me to iFixit 5 years ago and I still don't have an answer. top half of screen is greyed out

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Mayer did you ever fix it? This system uses LED back lights (unlike your older model). I've never seen a half lit screen issue with the Retina series. I have seen every other LED off problem which was the WLED driver chip on the logic bd. In your system with the CFL's a dimly lit was all I've seen with the weak or burnt CFL. A sharp edged dark area (or half screen) always pointed me to a bad driver logic issue on the back of the LCD which is not really repairable.

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Dan, I've seen several of these half screen issues on different machines in the last five years that I've been watching. I've tried to tag them all as I did this one. You might take a look and see what you think. I don't think there has ever been a resolution.

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A sharp edged blackened area is a bad driver logic issue. Often a bang on the lid dislodges the circuitry. Sometimes pressing on the left or right sides or a slight twisting might reconnect broken connections which is how I often can tell if the lid was banged. Sometimes the logic just dies (possible ESD damage). Of course when that happens nothing beforehand can explain it. I suspect these cases are repairs with some one that was careless with the ESD protection.

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Mayer whats the tag you used so I can review them.

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Ouch! Not good ;-{

If the laptops screen stays that way when showing the desktop and you've tried an external display which doesn't show any problems:

> Your LCD display driver logic likely has a problem. This logic is part of the LCD its self and not repairable, or the LVDS cable is damaged. You'll need a new lid assembly as these displays are not really serviceable.

If the external monitor is showing the same problem you have a logic board issue. Did your system get wet or sat on a wet surface at some point?

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So my laptop can't even be fixed if I sent it to a repair shop?

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Not quite following you here: Yes its repairable (in the case of the display) it the logic board is bad you might think about a new system as the cost is getting close to a new one but its still repairable. Apple will be the cheapest to repair the logic board as they offer a bench fee and will fix what ever needs fixing for the base fee plus the cost of the part/s. If you're upto it you could replace the display assembly your self.

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Thenayan will be eternally grateful.
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