Comment 32 for bug 1718936

The fix is easy enough. here is what you need to do.

== Booting a live image
* Enter the boot prompts by presseing Esc
* Edit the boot prompt and append nouveau.modeset=0 to the linux boot command line

== Once installed, you need to do the following:
* Log into the system, assuming it work, if not, do the steps outlined above.
* edit /etc/default/grub file and locate the GRUB_CMDLINE_LINUX= line
* add nouveau.modeset=0 to it
* it should look like this: GRUB_CMDLINE_LINUX="nouveau.modeset=0"
* Save the file
* run sudo update-grub
* Reboot and enjoy