Welcome and thank you for posting here in the Roku Community, The_TvIssue.
We regret to hear about the trouble and inconvenience this may have caused. No worries! We're here to find you the best resolution possible.
Before we proceed, may we first know if there are any external devices plugged into your TCL Roku TV? Also, what specific troubleshooting methods have you tried to resolve this? We humbly ask for the specifics so we can provide you with a further accurate resolution.
Additionally, does this happen to a specific channel?
We'll be looking forward to your response!
Best regards,
Carly