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2.0GHz, 2.3GHz, or 2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz) with 6MB shared L3 cache.

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A1398 Late 2013/Mid2014 MacBook Pro... No LCD Display

Hi all,

We had a cracked LCD on this model but still had 80-90% working display on the screen. We replaced the LCD, and screen was completely black. Assumed it was defective, so we ordered a replacement and installed.. and again no display.

We tested the HDMI display and got a perfect signal... computer is working great.

I can believe that we received two defective LCD's in a row, but I find this highly unlikely. Any other ideas?

TYIA

Answer this question I have this problem too

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I too was presented with a broken screen so immediately went to swap it. Followed all the correct procedures, second screen has faint image but no backlight.

Reinstalled the cracked screen and it works fine(minus the crack) so it's not the backlight on the Mobo.

Is there any way to repair/check the second screen backlight?

MacBook Pro "Core i7" 2.2 15" Mid-2014 (IG) 2.2 GHz Core i7 (I7-4770HQ) A1398

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Best advise here is to order the correct part.

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My father had the same problem with his Macbook Pro. I fixed it just by turning it on and letting him typ in his password. I believe after that it just fixed itself (it's been a while since it happened). Maybe try changing the brightness of the screen after logging in. I don't know if this will work for your clients Macbook but I hope it does.

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Unfortunately this isn't doing it. We tried that. Thank you for the suggestion.

The real question here is will a 2013/2014 LCD work on a 2015 model

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Did you find out?

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As far as I can tell they do work but the webcam isn't detected properly. Although the connector fits lvds cable fits etc. It won't play nice with the webcam...

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KB24 will be eternally grateful.
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