Hi @Baguio,
Thank you for your first post here in the Roku Community!
We understand that you are getting vertical lines on your Roku TV.
Have you tried contacting Roku TV support yet to inquire further? We'd suggest starting there to see what options or suggestions they can provide. Each Roku TV manufacturer provides direct support and warranty services for their products running the Roku OS.
You can locate their support contact information here: Contacting Support for Your Roku TV - Roku Community
If you have any other questions or concerns, please let us know.
All the best,
John
John
Roku Community Moderator