I had the same problem and finally got it resolved by rebooting the system.
sudo service stop light dm sudo apt-get --purge --nvidia* sudo apt-get install --reinstall xserver-xorg-video-nouveau rebooted the computer logged and and used the 304.117 proprietary driver fromt he settings software and update additional drivers tab, it doesn't recognize correctly and calls it a Geforce 9200 but other than that all works fine. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1310633 Title: [Acer Aspire X1300] Mouse and eventually keyboard freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1310633/+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