Hi everyone, I have an older Tivo HD unit (Verizon FIOS) that I can only watch tv on one tuner. I used to have two single stream cable cards in it. Swapped them, switched them and ultimately replaced them with a multi stream card. Nothing worked. I replaced the power supply, but that didn't work either. The other tuner always shows a black screen that says "Searching for Signal." I have a lifetime subscription on the box, so I would like to keep it, but I can't reliably schedule recordings anymore. Anybody have any ideas? J.J.