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Roku is plugged into denon avr. Generally it works fine but picture occasionally becomes enlarged and somewhat pixelated as if screen settings had been changed. This generally can be cured by unplugging the roku and restarting. How can I prevent this?
Let's try to isolate the issue. Can you try connecting the Roku device directly to the TV's HDMI port and see if the issue persists? Also, when did you start noticing the issue?
Let's try to isolate the issue. Can you try connecting the Roku device directly to the TV's HDMI port and see if the issue persists? Also, when did you start noticing the issue?
