Follow the on-screen instructions to log into your account or create one if necessary. For audio, check the "Audio Output" settings to ensure the sound is transmitting correctly through your home theater system or speakers.
Xfinity Box Initial Setup Instructions
This process may take several minutes. Finally, plug the power adapter into the box and then into a wall outlet.
Connect one end of the coaxial cable to the wall outlet and the other securely to the "CABLE IN" port on the back of the set-top box. Within the Xfinity menu, navigate to the "Picture" or "Display" settings to adjust the resolution.
Xfinity Box Initial Setup Instructions
Next, attach one end of the HDMI cable to the "HDMI OUT" port on the box and the other to an available HDMI port on your television. Setting up your Xfinity box is the first step to accessing a world of entertainment, from live television to high-speed internet and digital phone services.
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