This can be accomplished with nVidia Inspector. If you have never used it, then here is a link to the program:
http://www.guru3d.com/files-details/nvidia-inspector-download.html
Here'a step by step on how to set it up with lots of information.
http://forums.guru3d.com/showthread.php?t=403676
I can even provide my profile so you can upload it.
Hope this helps, let me know.