Quote Originally Posted by Malik View Post
I think no - but maybe im wrong.

My friends has two 280's, one is ftw version and second is stock - they work ok.

I can flash card for new bios, but i dont think that this is a problem.

If you haven't solved it by now, perhaps try installing the driver manually through the device driver. Try installing it on the second card. Sometimes it also helps to completely remove one card and add it later.