XPS 1710 7950 GTX Vista Driver(Update)

So what is it that you do when the most recent driver released from Dell for my video card causes a blue screen.  I have a Nvidia 7950 GTX that I cannot find a working driver for.  Ive downloaded the driver from Dell.  Ive gone onto the Nvidia site and cant find anything to work either.  Ive gone to 3rd party sites and tried multiple drivers to no avail.  Ive tried using older drivers such as:

R142930

R149090

R138228

Every driver I install crashes.  I have to resort to using a windows default driver for my laptop to function at all.  But even now as I'm typing my screen is full of lines.  Ive done a complete reinstall of the OS which was the original diagnosis of the customer support rep I was on the phone with for hours.  Ive also gone through the F12 scan with no faults.  Its my driver .... im sure of it.  Problem is as Ive mentioned, what to do when you cant find one that works?

Just tried to install the 179.48 driver for my 32 bit vista from Nvidia .. page fault in non page area .. system restore and back to default driver.

Update - reformated with a fresh copy of vista and updated the driver as per windows update .. no change.

Found this thread with the exact same problem I have.

http://forums.nvidia.com/index.php?showtopic=105555

According to some posts .. some think that because i experience these verticle lines on the bios screen that it cant be the driver but is the video card that is faulty.  These verticle lines are present in windows as well but arent apparent on a low resolution setting.  By turning the resolution up to 1600x1200 they are easily seen.

Here is a thread where multiple 1710 owners have had to replace their 7950 GTX.

http://en.community.dell.com/forums/t/19243313.aspx

Update #2 - So after an hour or so on the phone with a dell rep Im sending my xps to the depot for a fried GPU.