I have a Samsung NP-QX411. It has two graphics cards, Intel and nVidia. The Intel drivers were quickly found and is fully functional. But nVidia, I have tried installing several drivers in different ways. But I can not run it without success. I do not understand how Ubuntu has by default the switch Hybrid Graphics option. What should I do?
Unfortunately Nvidia Optimus support is problematic, see this question:
Try ironhide (forked from bumblebee) for simultaneously using the intel and nvidia cards:
For ironhide (Ubuntu Natty/Oneiric instructions):
For a WebGL benchmark, install google-chrome or use a
WebGL-enabled browser and can try it with/without optirun and
report the FPS values on the mailing list:
Bumblebee aims to provide support for NVIDIA Optimus laptops for GNU/Linux distributions. Using Bumblebee, you can use your NVIDIA card for rendering graphics which will be displayed using the Intel card.
To run your application with the discrete NVIDIA card run in the terminal:
For a list of options for optirun run: