I upgraded from a amd hd 6770 to a amd r9 280. I have a Msi 970A-G46 motherboard With a 750 watt thermaltake power supply. I plugged in my new card the fans spin but there is no beep when you start it up and no display what so ever. I plugged the old card in and everything worked just fine. Is there something I am missing? I don't want to rma it and realize later that it was something easy I forgot to do.