Hi @Refreamen,
Thanks for your first post in the Roku Community!
We understand that you need assistance with setting up your display type on your TCL Roku TV.
Please be advised that TV manufacturers offer a variety of displays with different resolutions and frame rates.
We suggest contacting your TV 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.
You can reach them here: https://support.tcl.com/us or at 1-877-300-8837.
If you have any other questions or concerns, please let us know.
Best regards,
Mary
Mary F.
Roku Community Moderator