1070n not compatible with p375sm.. switch bios?

So i thaught even if the p375sm has edp port, it would be compatible... but it gave same error has my p377sma even with a 1080p 120hz.
What could be wrong???? This display doesnt have gsync option qnd this setup of 1080p 120hz and 1070n is working well on my p377sma...
Thanks for help
The error is: after installing nvidia driver, it goes to black screen with kind of green line, centered, if i move the mouse, i can notice a pixel bugging. After a reboot, black screen with green line but...

1070n not compatible with p375sm.. switch bios?

1070n not compatible with p375sm.. switch bios?