1-2 of 2 Answers
Connect your Cable Box to the Fire TV Edition television using HDMI. David M. - Toshiba Support
Sorry, there was a problem. Please try again later.Sounds like you're trying to watch cable, which would likely be a HDMI input, but scanning channels with the TV tuner but without a digital antenna. So I'd suggest once connecting your AT&T cable, switch inputs to HDMI 1 or 2.
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