NVIDIA 8500 Graphics card has stopped working!!

My computer recently crashed while on a screen-saver and since then I could not boot into windows except in safe mode.
However, after a bit of reading I managed to pin down the problem: it seems to be the NVIDIA GeForce 8500 GT Graphics card or drivers. (this is the card which came with my PC and has never given me any problems until now)

I know this is the problem because I uninstalled the NVIDIA display driver, and then when I booted back up; windows started working again - BUT ONLY WITH THE BASIC PC DRIVERS - NO GRAPHICS CARD.

Once I updated to the latest NVIDIA drivers (I tried doing this from windows auto update AND NVIDIA's website) it has to restart in order to fully install....and then back to square one: it doesn't boot into windows - just gets to the windows loading bar - then black screen and then restarts - no error messages, nothing.

Does anyone know how to fix this? Is this a driver problem or is it the actual NVIDIA graphics card? And if it's not the card then why won't the drivers work?

(BTW: I am using VISTA Home Premium 32 bit)
Here is my system details:
http://support.thetechguys.com/layout.aspx?ID={99b3a283-6cb7-4ce9-ae75-84aa542b22a4}&CatID={3a978714-b54f-4fbe-8a23-c6616d8fb828}

Hmmm, can you try someone elses card?

It most likely is the card, based on age of the card.

Try testing your card using the memtestg80 program from here:
Folding@home - DownloadUtils
It might njot work as you don't have the drivers in , but its worth a try.