1. One 1060GTX gpu connected (2 more installed, but not connected yet)
2. Start up
3. Ethos boot screen is displayed
4. Then blank, signal lost, and the GPU fans turn off
I've tried multiple risers, 3.0 cables, all 3 GPU's individually and simultaneously, pcie speed from auto to gen1 and 2, etc. No differences.
I'm sort of lost here

System is not connected to the internet yet. Shouldn't matter?
Video
https://youtu.be/VRcsq0MX8TA