I have an MSI Geforce GTX 980 Gaming 4G and MSI Optix MAG251RX monitor running latest Windows 10 Pro 64bit and latest Nvidia Geforce driver version.
I can enable HDR when running on DP to HDMI (60hz) adapter cable (detected as running on HDMI) but not on DP 1.4 to DP 1.4 HBR3 (240hz) Cable (Yes...