I have an XPS 8920 running Win 10 Pro with an AMD Radeon RX 480 board and an LG 4K Ultra monitor over a DisplayPort connection. Based on the websites I have visited the RX 480 should be HD color capable, The LG monitor should be HD color capable, the displayport cable should support HD color, but the system will not allow me to turn on HD color. Looking at diagnostics shows that HDR is not supported. Since all of the components should be HD color capable, are the intel graphics on the motherboard or some setup involving them keeping me from being able to use HD Color or is there some setting I have missed to enable that HDR support parameter?
The only reference I could find in the manual regarding HD color is when discussing HDMI ULTRA HD Deep Color being turned on. Also, it appears in the specifications that only HDMI mentions HDMI ULTRA HD Deep Color, it is not mentioned in the specs for DisplayPort.
redxps630
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Posted April 13th, 2020 20:00
Does your LG 4k monitor support AMD freesync? Please send exact model of monitor.