how to turn off nvidia graphic card

hi,:)
please help me to use optimus technology!
i tried to install bumble bee .but i'm not succeed
there is no usefull training for it
i have searched a lot but i did not get a reasonable answer

-acer 5755g
-openSUSE 12.3

notice
*i can't access to nvidia site to download driver!! why? cuse B*ll s*it Boycott:X
*i can't speak english as well
*why IRAN is not in register country list??:|
*my name in persian : شهاب : shahab
*thanks you
* :kiss: