I am trying to add the Dell PN 0F9P1R graphics card.  Its a AMD Radeon R5 240 1GB DDR3 

Forum says that this card is supported by desktop.  

When I install card, fan runs but it isn't recognized in BIOS.  Video Primary display is set to Auto.  But BIOS says that both PCI slots are empty.  I've tried reinstalling it a few times but card still isn't recognized. Fan on card spins, but that is it. I am not sure what is wrong.  Is card DOA or is there a BIOS setting I am missing?

Thanks