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GTX 670 SLI blackscreening

November 27, 2012 9:34:30 PM

So i just finished my build, got latest drivers and everything. When I go to turn SLI on in Nvidia Control Panel the screen blinks a bit then turns off. The computer is still running but the screen is black as if no display is plugged in (its shows my tv's input in the top corner). Both cards are good because I just checked the second one with a monitor. Only thing i have not tried is flipping the cards because I'm running a loop. Here's what I have and what drivers I've tried so far.

Setup:
EVGA GTX 670 FTW x2
Asus Rampage IV Formula
i7-3820 at stock
Kingston 13333 16GB
Rosewill Lightning 1300w

Drivers:
301.42
306.97
310.61

Right now I'm back on 306.97

I'm going to order another SLI cable, but before that is it possible i can use the 3-way bridge? I already have that on hand.

So any idea guys? I'll very much appreciate it!
!