Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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Level 7

Roku Ultra Reduced Display Size

The display of my Roku Ultra reduced to not fill the width of the TV a couple of days ago. TV displays full screen when viewing over the air channels.  How can I reset the Roku Ultra’s display size?

I’ve tried updating, restarting, and doing a factory reset. There are no selections for resetting the display size in Advance Display Settings when pressing * when playing a video and under Settings in left menu on Home screen.  

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