Sony PlayStation 2 (PS2) Console "dance revolution repair" Questions

Dance Revolution game with pad for PS2. It loads ok, but the graphics are weird, instead of having clouds as a background, it has multicolor squares and the game freezes. I exchanged for a new one and

Dance Revolution discs and I got the following message "to play disc enter it into a XBOX 360 console." I tried turning the console off, unplugging it at the outlet. Nothing works. The games are brand