I bought a Tivo Premiere series 4 on Ebay. The seller assured me it was new - he said it had been sitting in the box in a closet for some time. (It does look new.) I was setting it up and everything seemed to be progressing normally, then the tv screen went black and “no signal” popped up. I tried using a component RBG cable instead of HDMI, no change. I also tried formatting, and the same result. I have an identical Tivo connected to another tv and it works fine, so I took the new one and tried it with that tv. Again, no signal. I know the cable is producing signal because the cable box will work in that room. I wanted to return it but the seller refuses to accept it back because he said he tested it before he sent it out, and it worked fine. I hate to trash this Tivo because as I said, it looks new and I’d like to be able to use it. Any suggestions will be appreciated. Thanks.