If "cast" is already an option in the quick settings tray ... If you don't own a smart TV, you can still cast from laptop to TV by using a HDMI dongle such as a Google Chromecast.

For AMD users, the AMD Radeon Settings can be configured ... There could be a number of reasons why your computer is unable to detect your TV HDMI. In any case, try the following basic suggestions ...

Enable it for the HDMI port connected to your PC or gaming console. If you're not sure which port to choose, you can just activate Input Signal Plus on all the ports. The gaming consoles connected to ...