bethss1949 :
TinkerTailor :
It sounds like you are using a VGA monitor and a VGA-to-DVI adapter that came with the card. Some cards have both a DVI-I and a DVI-D connector. If you were plugged into the DVI-D connector, your monitor would not recognize it.
it says a DVI-I and to connect to a VGA I plug the VGA to the DVI-I then the DVI-I to the card slot for the DVI-I
That sounds like it is connected properly, but you are getting no signal at all. It is possible that there is a problem with the adapter or the card, but most likely the BIOS needs to be told that the card is there, or the card is not seated properly and not being recognized, or you have the unusual overclocked 7750 model that requires a PCI-e power connector to be attached. Try the BIOS again, looking for settings like video configuration, primary video or PCI. If the BIOs doesn't provide a solution, and reseating the card doesn't work, the best test would be if you could try the card in another computer. Good luck.