My problem was solved by the fix suggested in this bug:
https://bugs.launchpad.net/ubuntu/+source/nux/+bug/1767468
I don't know if mine is the same problem as reported here, but worth a try.
My problem was solved by the fix suggested in this bug:
https:/ /bugs.launchpad .net/ubuntu/ +source/ nux/+bug/ 1767468
I don't know if mine is the same problem as reported here, but worth a try.