As to the original problem, if you want to further troubleshoot that (rather than just stick with one of the workarounds), this is the troubleshooting guide for this type of problem:
https://wiki.ubuntu.com/X/Troubleshooting/BlankScreen -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/800208 Title: nvidia graphics not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/800208/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp