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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.

My screen went black after installing new battery

my 2018 MacBook Pro's screen went black after I replaced the battery and the laptop is unresponsive

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You’ll need to check your battery connections as it sounds like the batteries BMC cable is either not fully connected or got damaged so the battery won’t charge. Review Steps 11 ~ 13 in this guide MacBook Pro 15" Touch Bar 2018 Battery Replacement

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