https://bugzilla.redhat.com/show_bug.cgi?id=966799
--- Comment #5 from Adam Williamson awilliam@redhat.com --- As far as I can tell, 'localectl set-x11-keymap uk pc105' and then reboot does indeed appear to fix the problem: GNOME illustration of the UK keyboard layout then includes the LSGT key. That again tends to confirm the belief that the problem here is that something somewhere is making our 'default' model, when none has been explicitly configured at the desktop or X level, pc104 rather than pc105.