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you run the cable to the box, then composite or hdmi out to the tv. Then press power and nothing happens. Have you called comcast to activate the box??
I just hook up the HD Xfinitity Cable Box and it won't even turn on. How do I get it to turn on?
Use this tool to find the codes of your devices and to get specific instructions on programming the codes into your Comcast remote.
Alerts are an easy, quick way to manage your account and get information - like payment confirmations and your current balance.
Find everything you need to know about setting up your wireless gateway.
Get details on weather, traffic, sports and more all from your XFINITY TV on the X1 Platform Dashboard.