Hi @W21,
Welcome to the Roku Community!
Thanks for flagging us about it. This issue is related to hardware failure in the TV. If you haven't gotten some help yet with the TV manufacturer team? We would recommend to communicate with them for further assistance.
You can check for the list of TV manufacturer by visiting our Community post here: Contacting Support for Your Roku TV
Best regards,
Rey
ERey.
Roku Community Moderator