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12. Now complete the installation as normal and reboot.

13. The system should boot without a problem. Of course, there are a couple of finicky things to fix still.

14. Edit /etc/default/grub and add the kernel parameter video.use_native_backlight=1 to GRUB_CMDLINE_LINUX_DEFAULT. This fixes the backlight brightness controls being flaky. This line should appear as follows.

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video.use_native_backlight=1"

15. While your editing this file, uncomment and set GRUB_GFXMODE to 1280x800 to fix the resolution of the boot splash screen.

GRUB_GFXMODE=1280x800

16. Update grub for these changes to be applied at the next boot.

$ sudo update grub

17. Now, create a new file /etc/X11/xorg.conf.d/20-nvidia.conf to apply some X settings for the Nvidia drivers. The file should look like what is shown here.

Section "Device"
        Identifier "Nvidia Card"
        Driver "nvidia"
        VendorName "NVIDIA Corporation"
        BoardName "GeForce 320M"
        Option "NoLogo" "1"
        Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection

18. Restart for these changes to take effect.

12. Now complete the installation as normal and reboot.

13. The system should boot without a problem. Of course, there are a couple of finicky things to fix still.

14. Edit /etc/default/grub and uncomment and set GRUB_GFXMODE to 1280x800 to fix the resolution of the boot splash screen.

GRUB_GFXMODE=1280x800

15. Update grub for these changes to be applied at the next boot.

$ sudo update grub

16. Now, create a new file /etc/X11/xorg.conf.d/20-nvidia.conf to apply some X settings for the Nvidia drivers. The file should look like what is shown here.

Section "Device"
        Identifier "Nvidia Card"
        Driver "nvidia"
        VendorName "NVIDIA Corporation"
        BoardName "GeForce 320M"
        Option "NoLogo" "1"
        Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection

17. Restart for these changes to take effect.

Since you've installed in BIOS mode, you can easily switch between the proprietary and free drivers safely. In AppCenter, just open the Installed tab and near the top will be an option for the Nvidia drivers which can be uninstalled and reinstalled at will.

You can install elementary OS in legacy BIOS mode in which case the graphics drivers are initialized correctly and brightness controls will work. The instructions to do this are as follows.

You can install elementary OS in legacy BIOS mode in which case the graphics drivers are initialized correctly and brightness controls will work sometimes but not reliably right now. The instructions to do this are as follows.

10. Select Continue when you are satisfied.

10. Select Install Now when you are satisfied.