“I just bought the Insignia™ - 43" Class - LED - 2160p - Smart - 4K UHD TV and it will not display my cable channels through the HDMI input. It does not find the cable channels when I complete a scan. It only displays the channels through the analog input”

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• The HDMI cable could be bad or not compatible, Check your manual to see rather the port is 2.0 or 3.0 then check the HDMI cable. Next, the HDMI port could very well be bad; you can check with the Geek Squad for diagnosis to check the port.

  Answered by coliver 6 years ago

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