Mojave and Big Sur - video signal going off with Intel HD530 (Skylake)

Hi guys.

I'm new here to Reddit. Hope I do the right things.

I got an annoying problem with my PC Desktop since the beginning: some weird video signal blackout apparently with no reasons. It happens only when I use HDMI output from the HD530 and it seems to happen more often when I'm streaming a video on some websites. The whole video signal goes off for a few seconds and then it comes back.

I'm using Mojave 10.14.6 with OpenCore 0.6.7 and the latest kexts, but the issue it was there last year with Clover as well and I recently tried Big Sur in an external SSD and it's still giving me the same problem.

I do have a dGPU Nvidia GT710 as well and it doesn't happen with it. I know I could use the Nvidia, but for my personal purposes I rather the HD530 because is more powerful than the little Nvidia.

My build is a desktop selfmade with this specs:

Motherboard: Gigabyte GA-Z170-D3H

CPU: Intel i7 6700k

GPUs Intel HD530 + Nvidia GT710

Monitor: FullHD via HDMI.

Installation method: Vanilla with OpenCore 0.6.7

Hope you can help! Thank you.

submitted by /u/sethsette
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