Learn more about your comcast tv box and download the user manual here.
Xfinity hdmi cable box setup.
3 plug the power cord into your set top box then into an electrical outlet.
Learn about wireless tv frequently asked questions.
Each port has a number generally between 1 5 depending on the model of your tv.
Refer to your xfinity folder.
If you are using the hdmi cable you will only use one coax cable for your set top box connection.
Most cable and satellite boxes today can be connected with hdmi and that s a good thing because hdmi offers the best picture and sound.
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You can activate your cable box online or by calling comcast.
Wireless tv box faqs.
If you re using a v cables instead plug each cable into the same colored port on the back of the box e g plug the yellow cable into the yellow input.
Professional set up and self install.
Newer x1 cable boxes can be activated directly from your tv.
This process may take up to 10 minutes.
There are two ways on how to set up xfinity cable box.
Look at the port on your tv that the cable or satellite box is connected to.
When you receive a cable tv set top box from comcast it will need to be activated before you can receive channels on it.
On most comcast cable boxes the hdmi port is either in the bottom right corner of the box or at the bottom of the box s back.
Usually located in the top left.
It goes in the wide narrow port in the back of the cable box.
Make sure this connection is finger tight.
Your set top box will begin booting up.
Comcast will not activate cable boxes purchased used.
Why xfinity wifi keeps disconnecting 6 steps fix method if you choose to have a professional do the xfinity cable box setup you will have to pay an installation fee.
If your cable box has component connections the first thing you may want to do is contact your cable company and see if there is an upgraded box available.
