Flickering screen

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@Jenk1 wrote:
My screen flickers non stop on most channels. We changed boxes. What else can we do? I can't even watch tv, that I pay a lot to have.

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if you know what pixelation means, is it pixelating? If you don't you will need to call 800-Comcast, cable TV support for assistance.

Could it possibly be the tv? Have you tried a different input or tv to see if the action follows? Or is it not flickering and it’s the picture breaking up?