NVIDIA Quadro SYNC II on LINUX

Ok, shouldn’t be an issue then.
While it shouldn’t have an influence, please check if running

sudo cat /sys/module/nvidia_drm/parameters/modeset

returns ‘Y’ and in that case disable drm modesetting
https://forums.developer.nvidia.com/t/ubuntu-18-04-3-blank-screen-at-startup-with-430-drivers-and-gtx-960/107501/2?u=generix