Am 28.11.2016 um 18:45 schrieb Thomas Gilliard:
Plasma is only added to gdm "gear" after cold boot. Logout
did not work
for me.
https://fedoraproject.org/wiki/Common_F25_bugs#cold_boot_is_required_to_a...
confirmed by other users
well, i doubt that "systemcrl restart display-manager" would not do the
same - when something is not require on Linux then a cold boot for
tivial changes