“when connected to my xfinity fiber optics Xi6A cable box to my samsung hd tv only a blue screen is visible, what is the problem?”

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• Mine works well with the output (ARC of a Sony 75 4K. I suspect that the issue is the HDMI out of the Cable Box. I ditched them a long time ago due to poor quality and inconvenience.

  Answered by Shockwave 9 months ago

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