Why is my screen dark/black?

Let’s see if we can narrow down what happening here. Can you plug in an external display to see if the image on it is OK. If it is then you've narrowed the issue to the internal display needing to be replaced. If the external display is showing the same effect then the GPU logic on the main logic board is failing and you likely need a new logic board to fix this.

MacBook Unibody Model A1278 Logic Boardの画像

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MacBook Unibody Model A1278 Logic Board Replacement

難易度：

難しい

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2 - 4 hours

MacBook Unibody Model A1278 ディスプレイアセンブリの画像

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MacBook Unibody Model A1278のディスプレイアセンブリの交換

難易度：

中レベル

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2 件のコメント:

Thank you for the response, I connected to external monitor and it was fine, the colors where showing fine no distortion, so it would be internal problem? Which requires display assembly replacement?

Hyungjun Kim さんによる2021年1月1日

Yes, time for a new display! Unibody MacBook Complete Display (2008) - Grade-B

Dan さんによる2021年1月1日

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Thank you for the response, I connected to external monitor and it was fine, the colors where showing fine no distortion, so it would be internal problem? Which requires display assembly replacement? — Hyungjun Kim
Yes, time for a new display! Unibody MacBook Complete Display (2008) - Grade-B — Dan