I can display via vga or HMDI individually however, when I attempted to display from both of these ports to my screens (1 VGA monitor, 1 HD TV via HDMI) my display goes black.
It will then attempt to reload the screen however neither will display an image. When I unplug the HDMI the driver loads and my monitor displays correctly. I then get a prompt to advise the driver has recovered from a serious error.
This has been the same since I have had the card and I have used two driver revisions up until now.
I recommend you contact a Driver dev from the Geforce forums. All we can tell you to do is Re-install drivers. Since we arent driver devs.... I usually re-install driver when i get this error more than once... I'm sure your not the only one thats gotten this error
I have found another thread in relation to it, however yes I will.