Start Up sound keeps playing with a black screen

Question

MacBook Pro 15" Touch Bar 2019

Model A1990 / EMC 3359. Released in May 2019 with new 6-core and 8-core processor options.

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Alison Cook @alisoncook

Rep: 1

Postado: 21 de dez de 2023

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Start Up sound keeps playing with a black screen

My Macbook Pro 15" Touchbar keeps making the startup sound, even after I've tried to power off my laptop. It never gets to the apple logo, it's just a black screen. The keyboard lights were coming up for a little bit but then those stopped turn on.

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https://vancouvermac.ca @vancouvermac Rep: 2 mil 8 6 3 · Answer 1 · 2024-01-11T12:22:35-07:00

https://vancouvermac.ca @vancouvermac

Rep: 2 mil

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Postado: 11 de jan de 2024

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It most likely needs to be DFU revived. Apple has a guide, it is quite quick, but it requires another Mac computer and a USB-C cable. The firmware on T2-equipped Macs can be corrupted easily, which can cause symptoms like this.

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MacBook Pro 15" Touch Bar 2019

Start Up sound keeps playing with a black screen

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