1. my screen is samsung 55f900 4k. 2. i use a 4k cable i test it with nvidia shield tv and i get 4k 60hz from it stable. 3. i install intel stable ver 184.108.40.206.4380 and also tried the new beta ver 220.127.116.1104.
The same here i used other computer with windows to update the adapter firmware the nuc just don’t load the program. still can get the adapter to work or output 60hz 4k.. hope someone in club3d doing some testing and working on the problem.