Question What's causing black screen after bootup ?

Sep 24, 2020
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Hello!

I've this strange problem which I hope is software-related.

About twice out of three, when I boot up my Mac the display turns completely black (after a couple seconds logging into my user).
Then, it stays in this state for about 30 seconds/a minute and, after touching any key, the display starts working like nothing happened.

I've tried all the keys combination that I know, utility disk and I also used OnyX but the problem persists.
Is there something specific to do to fix it/to exclude an hardware problem?

MacBook Pro (15-inch, 2018)
2,2 GHz 6-Core Intel Core i7
16 GB 2400 MHz DDR4
Intel UHD Graphics 630 1536 MB


Thanks!
 

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