I have graphics problems without the ATI card, too. If you read the posts of broken systems... you’re very lucky because almost everyone has problem with UHD630.
What Clover config are you using regarding the UHD630?
See PMheart's explanations https://www.insanelymac.com/forum/f...-sierra-10134/?do=findComment&comment=2579156
Audio Realtec ALC 1220 not detected on Z370 motherboard when use toleda audio clover patch...
Multibeast 10.2 audio instal dont work too. Can be used VooDooHDA 9.0d it works .