Hey Docbjr, i'm having exactly the same thing with the HD630. I will try to use this topic:
https://www.tonymacx86.com/threads/guide-intel-framebuffer-patching-using-whatevergreen.256490/
And i will try using these values:
Gen 8: Coffee Lake (Intel UHD Graphics 630)
- Support started with macOS 10.13.6 (17G2112) / 10.14 beta 4 (18A336e)
- Desktop: 0x3EA50000 (default), 0x3E9B0007 (recommended)
- Laptop: 0x3EA50009 (default)
I'm just not sure how to set this on the config.plist.
It's a shame it's the only thing that is not perfect on my system!