Wild guess. In a Brave Browser New Window, go to brave://settings/extensions
Search for Media Router
Specifically Media router enables cast feature in browser
DISABLE that. Exit / Quit BB. Start BB. Test issue.
Wild guess. In a Brave Browser New Window, go to brave://settings/extensions
Search for Media Router
Specifically Media router enables cast feature in browser
DISABLE that. Exit / Quit BB. Start BB. Test issue.