Welcome to the Roku Community and thanks for posting regarding the issue you are experiencing with your Roku TV remote.
We would recommend contacting your TV's manufacturer directly to report this issue and request additional support. Each Roku TV manufacturer provides direct support and warranty services for their products running the Roku OS.
If you need a replacement remote for a Roku TV, you would need to contact your TV manufacturer. For a list of Roku TV manufacturers contact information, visit our Community post here: Contacting Support for Your Roku TV
You can also purchase a remote that is compatible with your Roku TV on our Products page.
If you have another issue in the future, please don't hesitate in posting again in the Roku Community.
Roku Community Moderator