I hope this group can help.
I have an NVIDIA GTX 1060 going through my 4K 60Hz capable AVR, the NR1607 by Marantz. My television, which it plugs into, is full UHD 4K -- the Panasonic TX40DX700.
When I plug the HDMI directly from the 1060 into the TV I get full 3840x2160 @ 60Hz. However, when...