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The HDMI signal says "unsupport" What does that mean?

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Normally this is a problem with the HDMI cable. It is sending a garbled signal for some reason (could be a bad end connector or a broken wire in the cable) and the TV does not recognize it. The simple way to fix this is by replacing the HDMI cable. Answered from experience as I had this happen about a month ago.

HDMI signal says unsupport Google Search

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