How do I enable my integrated video card in Bios?

How do I enable my integrated video card in Bios? I go into it but don't see anything. I have a Dell studio 540. I am trying to activate it because I want to use HDMI port on it but I have a PCI video card enabled.|||you can't enable it, you have to remove the pci card and it will be enabled automatically.|||Just plug the cable into the HDMI port on your motherboard. It'll run through the integrated graphics card...