If you are powering your Roku via a USB port on the TV, try instead using the USB power adapter that came with your Roku, plugged into house power. Many TV USB ports only deliver 0.5 amp which is not sufficient to power a Roku reliably. If you don't have the Roku adapter, one from another device can be used as long as the fine print on it says its output is at least 1 amp.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X
