instalation cuda in sony vaio vpccw21fx?

spec of my laptop : Graphics Processor : NVIDIA® GeForce® 310M “with cuda”
why i can’t install cuda in my laptop corectly, i have some problem when installation proces “Display driver failed installation”. help me please,!!

Native support for NVIDIA Optimus laptops was recently released with the 319.12 driver. There is discussion on how to get it working here, but it is not terribly perfected:

What I personally run on my laptop is another workaround to enable Optimus functionality on Linux that has been more tested and relatively stable called Bumblebee –

Give Bumblebee a shot, especially if you’re not familiar with Linux – the first solution is still not working perfectly and is harder to set up correctly.

thank you for your answer, it’s very helpful