oh. It's quite old card. I had one and it failed too, not so hard as yours did. Anyway , try to run it in your friends pc and let us know, alright? However now, I am more convinced that its faulty gpu. If it work the same in your friends cpu, the only thing you can do is take off cooler of the card. It might become handy in the future and the card itself put into trashbin and buy a new one.