It certainly should work with only HDMI to HDMI. That quality is as good as you need for your resolution.

As for it not working, of course you have to use the monitor controls to select the appropriate input. Could there be another cable attached (besides the HDMI) that has no signal?


BIAB 2024 Win Audiophile. Software: Studio One 6.5 Pro, Swam horns, Acoustica-7, Notion 6; Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus Studio 192, Presonus Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors