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sli option gone

ive been discussing the issue with nvidia tech help they keep blaming my bios settings but as far as iknow it auto detects sli or crossfire????
 
nVidia tech help should've been working in Tesco or some. Useless people. I was reporting errors in drivers and they couldn't resolve them, so started to blame.. Microsoft (lol, the easiest way).
I'v got the same motherboard, was running SLI last time very fine (2xGTX 460). I hope you've got latest BIOS for SandyBridge CPUs, and NOT for IvyBridge ones ? SB BIOS is nimbered 1.19 (1.J0). To avoid mess in OS you should uninstall drivers with DDU and install newest WHQL, not-beta GeForce drivers with "clean install" option. If you still experience hangups or whatever in Furmark, launch Afterburner & observe temps and GPU usage.. GTX 660/670 series from some vendors was factory overclocked with no proper voltage raise.
 
sorry to keep on guys im just completly lost with this. i have just installed the latest nvidia drivers now half of the nvidia control panel options are gone all i have displayed is stereoscopic 3d nothing else?
 
The problem is you don't answer ;-)
Next thing - did you check both cards in single mode - I mean card #1 & drivers clean install & check and the same with second one ? Plus unanswered questions.
 
both the cards were working fine on there own as they were in sli. msihq shows bios version as v4.3 im assuming from what you have said that this is incorrect? is there another way to check bios version?

its very difficult to now remove a card and try singularly as there all water cooled
 
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Yes - 4.3 BIOS is for IvyBridge CPUs only. Using it with SandyBridge CPUs may cause unforeseen issues. Like yours, for example.
All I'd recommend is to flash BIOS back to SandyBridge 1.19 revision, but now you may brick your motherboard easily if you use standard flasher. Download MSI HQ flasher
https://forum-en.msi.com/index.php?topic=178289.0
and latest 1.19 (1.J0) BIOS from that thread and READ carefully how to make downgrade.
 
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