This topic seems to be discussing various solutions to this problem and some users had success but frankly I don't fully understand what they are saying so I'm not sure what to do (I'm newbie in linux):
http://askubuntu.com/questions/451335/cant-switch-anymore-from-intel-to- nvidia-gpu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310023 Title: 14.04: Nvidia Prime is unable to switch to the Nvidia card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1310023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
