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Processeur quad-core Intel Core i7 à 2,3 GHz, 2,6 GHz ou 2,7 GHz (Turbo Boost jusqu'à 3,7 GHz) avec 6 Mo de cache L3 partagé.

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Replaced left speaker but now screen is black

I replaced the left speaker in my MacBook Pro and had to remove the motherboard in order to do that. After finishing and putting computer back together, when I turned on the computer my screen is black but I can hear the startup sound

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Using a flashlight shine it into the lids Apple logo (a poor man’s backlight), do you see a faint image of your desktop and its icons?

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No, I unfortunately see nothing when doing that.


@michaelaspeaks - So the video signal is not reaching the display then. Check the displays LVDS cable and the logic board connector for damage.


I think you’re right, it might be the lvds cable. It looks like two prongs got bent when I initially put it back together.


@mspeaks57 - These are easy to damage. Now you have to replace the cable which will require taking off the display and replacing the cable MacBook Pro Retina (2012-2015) Display LVDS Cable follow this guide Remplacement de l'écran complet du MacBook Pro 15" Retina mi-2012 focus on Step 4 in this MacBook Pro Retina Display Teardown you only need to get to the connector on the T-CON board.


Thank you! Just need to get the cable now


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Mspeaks57 sera éternellement reconnaissant.
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