Solving playback issues

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Moving Horizontal Lines on my Roku 43S421

I was using my roku today and I noticed moving horizontal lines on my 43S421. The picture was stunning and had impressed me for awhile but I'm worried that it might be broken. I was using my PlayStation 5 and on the bottom or top of the screen horizontal lines would appear moving downwards and then stopping. It distorts the image temporarily. Now this issue keeps recurring and I'm worried.


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