Welcome to Comcast Help & Support Forums
You can contribute an answer or post a question.
Posted by
  • The Community would like to Welcome you!

Member Since: ‎09-30-2011
Posts: 1

Xfinity HD Cable Box set up

I just hook up the HD Xfinitity Cable Box and it won't even turn on.  How do I get it to turn on?

Posted by
Silver Problem Solver

Member Since: ‎06-17-2008
Posts: 13,999

Re: Xfinity HD Cable Box set up

you run the cable to the box, then composite or hdmi out to the tv.   Then press power and nothing happens.  Have you called comcast to activate the box??