Getting BSOD when I enable SLI with 780s

DraginDime

[H]ard|Gawd
Joined
Jan 12, 2012
Messages
1,464
Ok this post is a bit long, so bear with me.

Every time I open the Nvidia control panel and try to enable SLI, the screen will go black, and then I get a BSOD that says

DRIVER_IRQL_NOT_LESS_OR_EQUAL

Technical information:
Stop: 0x000000D1 (0x0000000000000010, 0x000000000000000E, 0x0000000000000000, 0XFFFFF880093BD442)

nvlddmkm.sys - Address FFFFF880093BD442 base at FFFFF8800906B000, Datestamp 518fe8f9

I have ran both cards individually and they both work great. I just got my GTX780's on Friday, I previously had 2x AMD 6950s in crossfire in my system that worked great. I uninstalled the AMD drivers and software before installing the Nvidia cards, and I even booted up in safe mode and ran Drive Fusion to make sure all the AMD files were gone. I've tried the drivers on the disc that came with the GTX780 and I've downloaded and tried the 320.18 drivers also. Even did a custom install on them with the clean install box checked. Still I can't enable SLI. I read that a realtek driver can cause some issues with SLI, and most people said they needed to roll back to driver 4.3 but I couldn't find that driver, so I updated it instead to 4.46 and that didn't work. So I completely uninstalled my realtek GBE driver and disabled it. That didn't work either.

So anyone got any ideas of what else I could try?
I really don't think it's a hardware issue since both cards run just fine individually, and I ran crossfire for the past couple years with no issues.

My system info is in my sig, only now it's two EVGA GTX780's instead of the 6950s. I'm running Windows 7 Ultimate.
 

DraginDime

[H]ard|Gawd
Joined
Jan 12, 2012
Messages
1,464
haha yeah it's awesome stuff. I'm going to update my bios first, I'm sure its pretty outdated.
 

DraginDime

[H]ard|Gawd
Joined
Jan 12, 2012
Messages
1,464
Bios update seemed to do the trick. When I updated I noticed I had a bunch of new devices showing in Device Manager. One of them was PCI to PCI bridge, I think that's what was causing the issue.

Thanks for the help!
 
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