Wireless tv box faqs.
Xfinity hdmi cable box setup.
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Look at the port on your tv that the cable or satellite box is connected to.
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.
Professional set up and self install.
When you receive a cable tv set top box from comcast it will need to be activated before you can receive channels on it.
Each port has a number generally between 1 5 depending on the model of your tv.
Comcast will not activate cable boxes purchased used.
If your cable or satellite box is connected with an hdmi cable use the following steps to get your picture.
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.
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.
Refer to your xfinity folder.
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.
Usually located in the top left.
Press the input button on your vizio remote.
Make sure this connection is finger tight.
Plug in one end of the hdmi cable.
Your set top box will begin booting up.
This process may take up to 10 minutes.
Newer x1 cable boxes can be activated directly from your tv.
There are two ways on how to set up xfinity cable box.
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.
If you are using the hdmi cable you will only use one coax cable for your set top box connection.
3 plug the power cord into your set top box then into an electrical outlet.
It goes in the wide narrow port in the back of the cable box.
