Can you provide some more information? Like how old the TV is, when did it work last, make, model and serial number. It may also be something you may want to contact your TV maker as well.
Hi Roku Community users,
We appreciate everyone who has reached out to let us know about the issue of Roku TVs suddenly shutting down. Thank you for sharing the details and providing helpful information.
If you are experiencing this issue, please check your inbox, as we’ve sent a message requesting more information to assist you further. Your input will help us work towards a solution.
We appreciate your patience as we investigate this matter and work to resolve it as quickly as possible. Please feel free to reach out if you have any further questions or concerns.
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The Roku Community Team
The tv is onn.32" class HD (720p) Led roku smart tv