Had same problem after 14.04 to 15.04 upgrade. FWIW solution proposed here [1] worked for me
gsettings set org.gnome.settings-daemon.plugins.cursor active false may be that will be helpful in debugging this issue [1] http://ubuntuforums.org/showthread.php?t=2252957&p=13168212#post13168212 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453538 Title: Invisible mouse pointer To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1453538/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs