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TV needs HMDI replugged evert other day

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TV needs HMDI replugged evert other day

Every other day or so one TV goes black with the message that the video cable is not connected. I unplug the HMDI cable on the TV, plug it back in, and everything is fine until it happens again in a day or so .What should I do to prevent tis nuisance from reoccurring?

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