Again a GPU issue

I know I'm messing up a bit with my GPU's but I'm now trying again with my GT 730 2GB (FERMI!) in the following hardware:

CPU: Intel Core2Duo E7400 MB: Fujitsu D3041 (Bios-based) Using the following kexts: Whatevergreen, FakeSMC, Lilu, USBInjectall

How can I make the Fermi version of this GPU work? Currently I get a glitchy desktop when trying to inject Nvidia