7 Thick black vertical bars various sizes on RCA Led Uhd

the tv is around a year old.  What is causing this and is it smart to have it fixed?

Answer this question I have this problem too

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@libby1010 let us know the exact model for your TV and post some good pictures of what your TV display shows, to your QUESTION. That way we can see what you see. Adding images to an existing question

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