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2.2 GHz (Turbo Boost up to 3.4 GHz) もしくは2.5 GHz (Turbo Boost up to 3.7 GHz) quad-core Intel Core i7 processor with 6MB shared L3 cache.

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My MacBook backlight is not working after water damage

I spilled some water on my Macbook, the computer worked well for a while, and suddenly the screen turned black. It never lighted up again.

Now it works perfectly with an external monitor. When I put a flash through the apple logo I can see the mouse cursor. What would be the problem and how should I fix it? Thanks in advance.

BTW, the display looks like this when I flash through the apple logo.

https://imgur.com/Q6iJWZ5

Here are some images when I opened it up. Any help would be appreciated.

https://imgur.com/a/4Ti6mjY

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Your motherboard needs a Liquid Damage Treatment, can be a simple fuse or a Chip on the Motherboard. Somebody has to check it internally and do a diagnostic, or remove the back and take a picture we can help you.

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Thank you for the reply! Here are some images. Which side should I focus on?

https://imgur.com/a/4Ti6mjY

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Hi, i think is to late but here is the fuse location Backlight fuse and wled driver location on logical board a1398 2014 you can check it with a multimeter.

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Junwei Sun さん、ありがとうございました!
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