Advertisements I have been having an ongoing issue with Comcast and Tivo since I started the process to switch out my currently dying Roamio for a Tivo Bolt. I cannot get the new Bolt to work. Tivo has replaced the box 4 times, and comcast has sent me about 8 cable cards now. There's 2 cards I haven't tried yet with the Bolt, I am just waiting on the technician to call me back. I live in a newer neighborhood and we have fiber from comcast going to the house. My question is - does a Tivo Bolt work with a Fiber connection. My Tivo Roamio works, but as I said, it's dying a slow death. Any help is greatly appreciated!