Different SLI auto missing file

[roonan666]

Hello all,

I recently bought a second GTX970 to SLI with and upgraded my PSU to 750W and I can't get SLI to work.

Here's my problem:

After installing the second card, SLI bridge and PSU my PC booted normally, but in Nvidia controls I can't enable SLI. It recognises both cards, as does CPU-Z and device manager. I did several complete reinstallations of the drivers using DDU in safe mode and everything. I switched the SLI bridge around and switched the cards around in their slots, the PCI-e slots are marked 1-x16 & 2-x8.

I found several people mentioning DifferentSLIauto got their SLI working. This tool depends on the nvlddmkm.sys file in drivers folder but I don't have that file. I read that it was possible to expand the file from the nvlddmkm.sy_ file found in the Nvidia driver folder but that isn't working either.

Can anyone help me out?

Rig specs:

Mobo: Gigabyte GA-Z77X-D3H iZ77 V1.0 BIOS F18i (newest)

CPU: Intel Core i7 3770 3.40GHz 8MB

GPU1: EVGA PCI-e GeForce GTX970 SC ACX2.0 4GB

GPU2: Asus GTX970-DCMOC-4GD5

RAM: Kingston 2x4GB, DDR3, PC12800, CL9, HyperX Genesis 1.5v &
Kingston HyperX Fury 8 GB DIMM DDR3-1600

OS: Win10

 

[Mousemonkey]

Check this page to see if your EVGA card is one of the ones that doesn't play well with others

https://www.evga.com/support/faq/afmviewfaq.aspx?faqid=59534

 

[roonan666]

Check this page to see if your EVGA card is one of the ones that doesn't play well with others

https://www.evga.com/support/faq/afmviewfaq.aspx?faqid=59534

Thanks for your reply, it is one of the cards that won't SLI properly. I read that by using the Different SLI tool you can fix that.