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Released in July 2018, the 15" MacBook Pro, model A1990, features a 15.4 inch LED-Backlight display with True Tone technology, TouchID, and up to 6 Core i9 Processor.

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Why is my keyboard backlight won't adjust automatically in dark place?

My keyboard backlight works great manually, but it won’t adjust its brightness automatically in dark environment/low light condition. I tried SMC & PRAM reset, but nothing change. I have sought support from Apple, but still no result.

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Something might be wrong with your light sensor. Due to how new this computer is, I suggest that you bring it into an Apple Store and see what they say. Yes, I know Apple Stores aren’t typically much help but it never hurts to try. Also, if they quote you a huge bill of replacing the screen (as I foresee it now, but there might be a setting that needs to be changed), ask if you are currently under warranty.

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