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  1. To set up a new Comcast cable box, follow these steps:
    1. Position the box near the TV.
    2. Connect the coaxial cable to the box.
    3. Connect an HDMI cable from the box to the TV.
    4. Turn on the TV and cable box.
    5. Call Xfinity to activate the box officially12.
    6. Alternatively, if a new TV Box is detected on your account, go to the XFINITY TV screen and tap on the area with the NEW notation to set up the TV Box3.
    Learn more:
    To hook up a new Comcast cable box, make sure the box is in a good position near the TV. Connect the coaxial cable to the box, and then connect an HDMI cable to the box and TV. Once connected and on, call Xfinity to activate it officially.
    www.wikihow.com/Hook-Up-a-Comcast-Cable-Box
    Install the new cable box with the cables that came in the package so you can hook the box up to your TV and wall outlet. Turn on your TV and cable box, then enter your phone number to activate it. Once your number is confirmed, your box is active and you can watch Xfinity channels!
    www.wikihow.com/Activate-a-Comcast-Cable-Box
    If a new TV Box is detected on your account, it will be displayed with NEW notation in the XFINITY TV screen. Tap anywhere in the area with NEW notation and it will take you to the TV Device screen. Tap on Set up to set up the TV Box.
    www.xfinity.com/support/articles/my-account-app-n…
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