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Repair guides and disassembly information for the 14-inch MacBook Pro released in October of 2021, featuring Apple-designed M1 Pro and M1 Max SoCs. Model A2442.

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Last 2 rows of keyboard are uneven enlightened after repair

Hello, I had to repair my Macbook Pro m1 14" few days ago because I spilled a coffee on it (yes it had sugar in it). The repairman changed the keyboard because the keys were stuck due to sugar caught in the mechanisms but now I see that the last 2 rows of my keyboard are less bright than the rest of the keyboard, what can cause this problem ? Note that the area where i spilled the coffee is not the same that the area that is now less bright, that's why I am confused.

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Behind the keyboard is the backlight sheet which is a light defuser to even out the light from the mounted LEDs within the sheet. So between the spill staining the defuser and/or one or more of the LEDs is not lit either because of corrosion or burnt out.

Other they replacing the uppercase assembly (the only way Apple sells the part) you will need to find a junker which has a good backlight sheet.

I think it’s best to just live with it, sorry.

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