Thank you for taking the time to report this bug and helping to make Ubuntu better. The problem sounds a lot like the issue in bug https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/255008
A fix was released (13 Aug.) with the package gnome-settings-daemon - 2.23.6-0ubuntu2.
The problem should be corrected if you try a newer LiveCD. If not feel free to open a new bug report.
Thank you for taking the time to report this bug and helping to make Ubuntu better. The problem sounds a lot like the issue in bug https:/ /bugs.launchpad .net/ubuntu/ +source/ xorg-server/ +bug/255008
A fix was released (13 Aug.) with the package gnome-settings- daemon - 2.23.6-0ubuntu2.
The problem should be corrected if you try a newer LiveCD. If not feel free to open a new bug report.