My Pc when last booted up it has not monitor. Well it was the card. But now I can not find a card that fitss. How to you buy a gaming card on the low side. without opening up the box to see if all the notchs Fit ? ? So far I have two brand new cards that do not fit. Just from listing to sales guy. Dell does not seem to even recongize my tag number, plus I do not see the model in their line. Ideas ? ?