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MacBook Screen Flickering and Freezing

Hello, for quite some time now, maybe over a year, my mid-2012 Macbook Pro has been faced with a freezing problem.

Whenever I'm using it, it'll sometimes just freeze and the screen will start fading to white. I don't think this is a software issue. When I twist or move the screen it seems to fix up and work temporarily, but sometimes the screen won't even unfreeze unless I CONTINUOUSLY hold it at a certain angle.

I've taken it apart multiple times and tried to tighten loose screws but at this point it's become such a frustrating problem. Can someone please let me know what's going on, how I can fix it, and if there is a part I can replace to do so?

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I would start off running the onboard diagnostics to be sure what it can discover for problems is not deeper than the display its self. Press the D key to enter after restarting your system.

Reference: Mac startup key combinations

Diagnostics won’t test everything fully as such what I suspect is your displays logic has a problem won’t show an error.

Within the display is a small logic board called a T-CON which converts the LVDS signal from the main logic board to what the display its self needs. This is what likely has failed here.

Another way to prove that is to connect an external display to your system so when you see the internal fade to white your external should still be working without any problems.

Here’s the needed guide to replace the display MacBook Pro 13" Unibody Mid 2012のディスプレイの交換 and the needed part MacBook Pro 13" Unibody (Mid 2012) Display Assembly

MacBook Pro 13" Unibody (Mid 2012) Display Assemblyの画像

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MacBook Pro 13" Unibody (Mid 2012) Display Assembly

$164.99

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To help verify the issue you could connect an external monitor to your system if it is not showing any problems then you know the issue is within the internal display. If it too is showing the problem then the issue is within the logic board.

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Yussuf Shakir さん、ありがとうございました！
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