nVidia 9800 GT - help

[Szymad]

Hi,
i have 9800 gt and iDeneb 1.3. How Can i install nvidia 9800gt 512? I try nvinject 0.2.1 512 and nothing.

My sys normal boot up i hear the music but i cant see anything. Last line in verbose is mouning volume. Keyboard is working.

I tried to install 9000 Series Driver 2.

after sudo, and sbin mount:
i copy the pkg file from my pendrive to /
and:

installer -pkg "/Volumes/disk1s3/NVIDIA 9000 Series Driver v2.pkg -target /

and nothing happend. Should I wait? I waiting more than 5 minuts and nothing.
How long should it be installed?
I want see anything i need drivers! Please help. I can change system.

MSI 785G/SB700
4GB of rAM
AMD

Thanks in advance.