Some TVs will repeatedly bitch and moan about not having an internet connection. For Roku-based tv’s you can choose reset from settings, then select the setup option for no network connection. Then it will shut up about it and act like a “dumb” tv. This requires using an external box for watching any internet-based channels/content.
Simplest is blocking the TV’s mac address from accessing the internet
Some TVs will repeatedly bitch and moan about not having an internet connection. For Roku-based tv’s you can choose reset from settings, then select the setup option for no network connection. Then it will shut up about it and act like a “dumb” tv. This requires using an external box for watching any internet-based channels/content.