Got TiVo box today along with broadband hub. Broadband set up ok. TiVo box seemed ok but then got into endless loop of just saying Starting up and then no signal sign on tv. Turned off and on but that didn't fix it.
This may seem obvious but have you called the number in the blue booklet that comes with the box?. I completely missed that bit when I set mine up so it took me a while as well Otherwise I'd call them so they can check any issues in your area. Hope you manage to get sorted