Screen stuck

user_zujcnj Thanks for posting on our community forums. I'm sorry to hear the TV box is stuck in the preparing channel lineup screen. We'd like to help get this fixed. Have you tried any troubleshooting steps so far? Such as rebooting the box manually or through the Xfinity App? We also recommend you check the coaxial cable on both ends (wall plate and box) to make sure it's tight. Let us know if that helps.