Please open the 'Extensions' app (gnome-shell-extension-prefs) and check that you only have the 3 default Ubuntu extensions active, at most. If you have any others then please disable them, restart and retest.
Please open the 'Extensions' app (gnome- shell-extension -prefs) and check that you only have the 3 default Ubuntu extensions active, at most. If you have any others then please disable them, restart and retest.