No the computer is not blue screening at all, it simply freezes on the desktop, I have tried a couple of different power supplies and had the same result with all, not sure if my motherboard is "crappy" or not and since I dont have a spare not sure how to eliminate that possibility , I think it is an abit but im not sure, it was the only one I had with an agp slot. Is running the arcade vga card memory intensive? I have 128 meg of ram installed, thought that would be enough. I have two other mame cabs that have tvs but when I found an old contra cab with a good monitor for 25 dollars, I thought I would give it a new home, its like stone soup, you start out buying one or two parts and then your committed to the build and 2 weeks later the wife wont speak to you and your broke, but you still need more parts.