Welcome to Comcast Help & Support Forums
Find solutions, share knowledge, and get answers from customers and experts

New to the Community? Start here.

5,807,857

members

14

online now

1,953,720

discussions

Top

Help!

New Poster

Help!

Message on tv says "No signal.  Check external input or select another input using your INPUT bottom.  Cable box has "boot" on it. What's wrong?

Discussion stats
  • 0 replies
  • 130 views
  • 0 kudos
  • 1 in conversation