In /etc/gdm/gdm.conf-custom :
[daemon] AlwaysRestartServer=true RemoteGreeter=/usr/lib/gdm/gdmgreeter [security] AllowRoot=true
In /etc/gdm/ gdm.conf- custom :
[daemon] rver=true /usr/lib/ gdm/gdmgreeter
AlwaysRestartSe
RemoteGreeter=
[security]
AllowRoot=true