If the USB-C to HDMI connection is not working with a Windows device being either the host or the output device, then the issue is quite possibly related to the display driver of your Windows device.

However, now that even the Switch 2 is going to provide UHD output, now is a good time to ensure any existing wires in your setup are at least capable of handling 4K 60Hz, and upgrading to HDMI 2. ...

Finding the best cheap HDMI switcher isn't always easy ... and those who don't regularly need to output video to two different displays won't find a need for the extra features.

Supporting HDMI 2.1, this HDMI cable can output 4K@120Hz, and even 8K@60Hz (though it's not true 8K – not yet, anyway). Matching the console’s simple, clean aesthetics, the PowerA Ultra High ...

However, since the Lightning connector doesn’t have the bandwidth needed to transmit HDMI video, Apple has put a SoC in the adapter to compress the output video. The developer explains that ...