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Black Screen after Apple Logo

Joined
Aug 12, 2018
Messages
28
Motherboard
Gigabyte B365M DS3H
CPU
i3 8100
Graphics
RX 560
Mac
iMac
Mobile Phone
iOS
I have recently purchased a new graphic card Gigabyte Radeon RX 560 OC 4G
but when I am trying to install High Sierra I am getting black screen after Apple Logo progress bar

please help...
 
Joined
Sep 17, 2016
Messages
56
Motherboard
ASRock Fatal1ty Z97X Killer
CPU
i7-4790K OC 4.5GHz
Graphics
GTX 660 Ti
Mac
MacBook Pro
Mobile Phone
iOS
Is High Sierra already installed, or is this bug preventing you from getting into the installer to get High Sierra? If it's the latter, can you get into the installer with your display connected to your motherboard's onboard GPU?

I don't know much about AMD GPUs (though I am looking to upgrade to one myself in the future,) but I faced a similar problem before with my current Nvidia card.

Assuming you use Clover, from the boot loader, go to Clover Options (keyboard shortcut: O) > Graphics Injector > and remove all the graphic injections. Maybe also temporarily add the following boot flag to Options > Boot Args: -nv_disable=1

That boot flag should work regardless of whether your GPU is Nvidia or AMD.

I hope it works, but unfortunately, that's all I can personally think to do. Until more expert help arrives, I'd recommend taking a look at this guide; the solution you seek may well lie there:
 
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