First, clear the BIOS. The board will automatically detect the presence of the video card and automatically disable the on-board GPU.
Then remove the video card and make sure the basic system still works.
Then test the video card in another computer to make sure it works.
Thanks for the advice. I have tried letting the system auto-detect the new video card and the system changed the bios setting to PCI-E. I removed the card and the basic system seems to be working fine. I don't have another PC to test the video card in. Any other thoughts?