So I followed the Vanilla OpenCore guide and after one day of trying different framebuffer configs I finally got that sweet 144Hz working properly (gotta love that native NVRAM too). However, when I boot up the computer for about 30 seconds there's some serious lag going on. I can get rid of it if I change the resolution/refresh rate or unplug and plug back in the cable. I tried a different monitor but it still happens. It's not a big deal, but I wondered if anyone had the same issue.
Here's a video showcasing the issue: https://youtu.be/ZG7ROcC1zo4?t=36
Hardware:
- Asrock H310M-HDV
- Intel Core i5 8400
BIOS settings and OpenCore configuration: https://github.com/dimitarnestorov/OpenCore-Asrock-H310M-HDV-i5-8400-UHD-630
Notes:
- I couldn't turn off CSM because otherwise the machine refused to boot up
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