The first thing you should do is check the HDMI port on your TV. Ensure it's clean, free of dust, and not damaged. You can try switching to a different HDMI port to see if that resolves the issue.

The USB-AMV merges HDMI and USB into one uncompressed USB-C DP Alt Mode output while supporting full-bandwidth AV signal ...

You’ll no longer need to buy a Freely-compatible Smart TV to take advantage of the BBC, ITV, Channel 4 and Channel 5-backed ...

See at Amazon For a limited time only, you can acquire the Anker Prime Docking Station, 14-Port with 160W Max Output for $189.99, down from its original retail price of $269.99.

So, although DisplayPort has superior capacity, most consumer electronics like televisions, projectors, and game consoles opt for HDMI. However, HDMI 1.4 and below are not suited to 4K video.

Troubleshooting HDMI Port Issues on Your Laptop If your laptop's HDMI port is not working, it can be frustrating, especially when you need to connect to an external monitor or projector. Here are ...