What do you mean by I should make sure the card is selected? (how do I do this?)Just make sure the card is selected and not system default chipset. On mine I see that it could be mistaken and you won't see the correct options.
I have one more option until I turn it over to the experts on here...
Go into your system display settings (not nvidia control panel) and just make sure it is recognizing it as your nvidia gpu as well. I had an issue where it was only recognizing it as generic device even though device manager said everything was ok. This would ultimately affect your gpu display settings leading to your initial problem. If thats not it, I hope these guys have a solution for you.
So just to get this strait in device manager it recognizes the GPU correctly?
If it does I would recommend completely removing the driver and reinstalling the driver from nVidias web site. I realize that you have the most up to date driver installed but it woulds to me like something is wrong with your nVidia control panel.