i've done that!
everything is right mounted, so I should be able to enable sli in nvidia controlpanel, but I get that message that I wrote at the first post....
How do I activate SLI?
in nvidia control panel it says:
Your graphic card features NVIDIA SLI........., Before you can enable SLI, all graphics cards must be installed in PCI-Express slots with a bandwith of 4x or greater.
both cards are installed, and the sli bridge is ok, and i can find...