We're excited to announce that we've fully migrated the Xbox Forums to their new home, here on the Microsoft Community forums!
As of today, going to forums.xbox.com will redirect you here to the Xbox area of the Community forums. We've moved all of your existing threads over so you can continue and start conversations with the new forums experience.
We sincerely appreciate the feedback you have provided over this transition and can't wait for you to check out the new Xbox Forums!
My HDMI cables are in good but HD channels (Comcast) are all flickery. Regular TV seems fine. Also, sometimes an error message "TV signal was lost" shows up but usually comes back in a few seconds. Or if you change the channel. Help???