Environment materials suddenly go black latest V6 build

Rhino Rhino for Windows
5

have you set your machine to use the nvidia for rhino?

my guess is you are set to run on then intel, are running out of vram and rhino is pooping it’s pants because of that.

see and do this-

https://discourse.mcneel.com/t/soooo-you-bought-a-laptop-with-hybrid-graphics-and-rhino-doesnt-run-right-read-this/109982/2