i know, its Nvidias problem, but....
i've read a lot of topics about this issue. Once it helped to install chipset drivers first after reinstalling system and then he installed nvidia drivers and it worked.
One guy solved it by restoring default settings in BIOS.
Other guy used Coolbits 2.0 ( program from 2004, he used it in 2011 )
Nothing from above worked for me.
I had SLI option some time ago, now it vanished, not sure for how long - havent checked for some time. BIOS sees only one of my cards - Geforce 8700M GT ( and there are two the same cards )
Intel Mobile Core 2 Duo T9300 @ 2.50GHz 29 °C
Penryn 45nm Technology
8,00 GB Dual-Channel DDR2 @ 332MHz (5-5-5-15)
Dell Inc. 0KX412 (Microprocessor) 36 °C
Rodzajowy monitor PnP (1920x1200@59Hz)
256MB GeForce 8700M GT (Dell) 70 °C
119GB OCZ-VECTOR (SSD)
466GB Western Digital WDC WD5000BPKT-00PK4T0 (SATA) 29 °C
TSSTcorp DVD+-RW TS-L632H ATA Device
Manufacturer Dell Inc.
Model 0KX412 (Microprocessor)
Chipset Vendor Intel
Chipset Model PM965
Chipset Revision C0
Southbridge Vendor Intel
Southbridge Model 82801HBM (ICH8-M)
Southbridge Revision B0
I'm making this topic here cause i have Intel chipset. ( used Intel® Driver Update Utility and i have installed the right drivers for it )
Someone plz help me, cause i spent so many hours on this and it seems like there is no solution
I would start to troubleshoot the fact that the system BIOS only detects one of the video cards, most likely this would be the reason why SLI does not work in first place, you may probably try, one at a time, in each PCI Express* slot, update the system BIOS and firmware of the video cards. So check with nVidia* and your system manufacturer for this.
In the other hand, please keep in mind that Intel(R) Chipset Software Installation Utility, is just an utility that loads dll files for the operating system to properly name the hardware in the system. However, this is not a chipset driver.