driver is NVIDIA-Linux-x86_64-346.72. The screen reports 30 fps at 3840x2160 resolution. Is there something I can do in the Nvidia control panel or manually in xorg.conf to obtain 60 Kz vertical refresh?
According to the product specification the hardware is capable of 60 Hz via display port:
http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-770/specifications
Thannks and regards,
edit: the monitor reports DP 1.1, version 1.2 is greyed out for unknown reasons