why does TV keep switching to cable from HDMI?


Feb 4, 2018
Our TV keeps showing 'please run auto channel scan' on power up and other times. After a few minutes of investigation, I discover the input has been changed to cable from HDMI. I reset it back to HDMI and all works fine, for a while. Then it happens again, the next day or so. Same thing, input back to cable. Another reset. Any ideas? Thanks.
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