So I used to have a 5870 and a Corsair TX750w. I decided to put in a second 5870, and now I can't boot. It POSTs fine, but it hangs on the verbose boot screen. It loads the last drivers
, then the top of the screen starts corrupting (blue, red and green distortion). Safe mode is the same thing, and trying Startup Repair does nothing. Fans spin up, no beeps, but I can't boot. Any solutions?