You still may have a bad card, its just a strange one. But to make sure, try use another computer with your card and see what happens. How about your PSU, coz it might be the problem as well that it couldn't support your system needs to power it up. Your system might drawn a lot of current, but your PSU cant support it, the reason your VC crashes, coz i believe, VC is the hungriest in the system.





