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Copy from the attached file Devices/Properties plus Boot/Arguments agdpmod=vit9696. Set SMBIOS to 15.1.

@Gius96 I wanted to tell you, but the post has disappeared, so I'll write to you here. 1. You changed your SMBIOS to 15.2, I wonder why. 2. You have Devices/Properties now, but no further port changes so HDMI does not work. You use 3EA50009, and I chose: ID: 3E9B0009, STOLEN: 57 MB, FBMEM: 0...

Oups. Maybe because you don’t have the Framebuffer patching responsible for the HDMI ports. Devices/Properties/PciRoot(0x0)/Pci(0x2,0x0) Read this: https://www.tonymacx86.com/threads/guide-intel-framebuffer-patching-using-whatevergreen.256490/

I took a different path than @Gius96, but I think it will solve the problem. I don't have any problems with HDMI thanks to this solution.

The boot argument agdpmod=vit9696 is required to disable board checks, since the MacBookPro15,1 doesn’t have an HDMI output, and would be ignored by the OS by default.