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

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My MacBook Pro 2019 glitches when shutting down

My macbook today do this glitches line on the top of the screen when i shutting down, i tried to shutting down many times and it all the same. The screen totally working fine when i'm using it but only does this when i shut down.

I found some post about " Automatic Graphic Switching " option can cause this kind of glitches, i turn it off and everything was fine now, anyone know if this software or hardware problem?

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I'm running Catalina on MBP 15 2019.

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Technically, its a hardware issue. All you did is hide it turning off Automatic Graphic Switching.

I’ve seen this a few times now. Now the rub as it can be hidden Apple will likely not fix your system. I sent three people to Apple only one got a replacement system as it was still within the first 30 days. He also needed to check three systems to get a properly working system. He was smart as he spent the full day at the store! Setting up each the new system there. The other two failed to get the genius to take the system in for repair.

Apple is having a big issue in quality control this year which appears to be coming to a head. The genius’s are doing their best to deny taking in repairs on what they believe are minor issues or deep issues which are hard to isolate.

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do you know why it's only happen when i'm on Adapter Charger ? It's fine when i'm on battery, no glitches.


Sorry, only Apple can answer that.


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