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Is it true that all HDMI cables are the same? - Quora

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Can I plug both AV cable and HDMI cable to my set top box at the same time and connect to the same LED TV? - Quora

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HDMI does not work on TV. I can only run coaxial to TV, but my cable box only has HDMI. How do I fix it, or do I need a converter?

Can I connect an HDMI cable from my Roku TV directly to my router box for internet service? - Quora

Do I need an HDMI cord for my HD TV? - Quora