Hi Gerardo, I'm John, a fellow Microsoft user like you.
I understand you're having issues with multiple displays not detecting your Roku TV. I'm here to help. Can you provide a bit more information about the problem? Are you trying to screen mirror your display to the Roku TV?
What troubleshooting steps have you already tried?
If you haven't tried anything yet, please follow the suggestions from Rontpa, another community member, here: https://answers.microsoft.com/en-us/windows/for...
Click "Reply" below to let me know how it goes. If the issue persists, please provide more details by answering my questions.
John J.D.