Comcast Hd Cable Box Troubleshooting

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.

Comcast hd cable box troubleshooting. It goes in the wide narrow port in the back of the cable box. Plug in one end of the hdmi cable. Learn some tricks for resolving the most common issues with these steps. If you purchased a cable box from ebay craigslist or any other re seller comcast will not activate it because it is actually an un returned rental.

You should only get cable boxes directly from comcast for new service replacements or additions. Replacing your tv boxes and modems faqs. Learn about replacing your equipment now to get the most out of your xfinity service. Make sure your hdmi cable is plugged into your tv and the hdmi out port of your x1 tv box.

The video cables between your tv and x1 tv box should be firmly connected. 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. Get help troubleshooting high definition issues for your xfinity tv service. The coaxial cable should be firmly connected to the x1 tv box and wall jack.

This video will show you two ways to reset your comcast xfinity cable box specifically the x1 cable box. Learn more about your comcast tv box and download the user manual here. Hd troubleshooting for your non x1 tv box.