I used to have the same problem because a certain setting was enabled, it caused the Ctrl key to be consumed, make sure that the following option is off System > Preferences > Keyboard > Layouts > Layout Options > Third level choosers > Press Right Ctrl to choose 3rd level
-- Right control key doesn't work https://bugs.launchpad.net/bugs/213820 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs