Originally Posted by SBJ

yup! cables are a huge factor in if things work or don't. I stream my NBA and NFL games from my laptop because the apps are not as of good quality. I had some 25-foot amazon basic cables that I know work for other things but they wouldn't work for my laptop to my Yamaha receiver hooked into my projector. So I have to use 10 foot name brand cables and that means you have to step over an HDMI cord a few feet off the ground.

If you have other 4K HDMI cables try hooking them up to it to see if it's the cable or it could be in settings like he said above