I just recently started having the same issue. Where can I tell my ROKU TV, to stay on until I shut it off?
Thanks for the post.
Please be aware that the newest Roku OS 10.5 has added a new Power item in Settings > System menu for some Roku models. If you have this Power item, under Auto power savings see if deactivating After 20 minutes of no interaction fixes the problem.
Thanks,
Danny
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