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Hello , my name is JackPerhaps I can help you with this problem but first i would have a few questions so could you please send me a reply when you see this ?
Hi , few questions coming up
What happens on the tv` screen when you select the component input where the box is connected ?Do you get any message like "no signal " ?
o.k then good luck but I would not close this post just yet , I don`t think comcast can help you and I know I can so.... good luck