Hi folks, I have lost every channel on my TiVo except 104, 105, and 109. Usually these channels have a signal strength in the 90's they now are around 77. I had Comcast redo the pairing on my cable card. I called TiVo support and they had me do a soft reboot (pulling out the card, HDMI, Network coax, and power cord) No change. I took my Tivo to my work and put it in place of a Comcast cable box, here I did not receive any channels. I swapped out my cable card. No change I am still only getting those channels. In fact I was able to get those channels even before I called Comcast to pair the new card to my Tivo. My Qam switches between 56 and 256. Does anyone have any ides?