Hi @cesully2021,
Thanks for bringing this to our attention.
We understand that your Roku TV is having display issues. We're happy to assist you.
To immediately fix minor display issues such as lines on your TV, kindly try performing a hard reset on your Roku TV. To do so, follow the steps provided in this support article on how to reset your device.
If the issue persists after doing so, we recommend contacting TCL for further assistance. You can refer to this link to contact support directly for your Roku TV.
We hope you find this information useful. Let us know if you have further inquiries.
All the best,
Janadee
Nadee K.
Roku Community Moderator