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2018年7月发布,15英寸 MacBook Pro,型号 A1989,拥有True Tone技术的LED背光15.4英寸显示器,最高6核心的酷睿 i7 处理器。

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Why is black screen after replace it?

Replaced the screen on my Mac Pro 2018 and it starts working, but after reboot the laptop black screen! If connect laptop through hdmi to external monitor, screen starts working and will work till I reboot the laptop! What can be the problem?

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Why did you replace the display?

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Replaced because of glass on display has small crack, but old one works fine!

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Is it possible that model of display is not compatible, my laptop is 2.9 ghz and donor is 2.6 ghz!?

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Is the donor also a 2018 model?

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Yes, also 2018!

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The reason you may not see anything on the new screen is because apple locked down the screen replacement, so if the computer sees a screen it does not recognize and is not programmed to the logic board it will disable the screen. There is no way that I know of to make it where the screen is programmed to the board, and I doubt apple will do it.

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So how come his old screen still works on the "doner's" mac?

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What is the MacOS release on the systems are they different? Apple may have altered the systems firmware during the update process which enabled the sub assembly security feature.

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