Hi Ralf, Am 09.11.2016 um 02:36 schrieb Ralf Mardorf: > next time consider to post English output. > > $ LANG=C cinnamon-screensaver --debug Thanks for that advice. I'll keep it in mind. > Try running > > $ gsettings set org.cinnamon.desktop.screensaver lock-enabled true I did it and the output of $ gsetting get is true: $ gsettings get org.cinnamon.desktop.screensaver lock-enabled true But unfortunateley the lock-screen still doesn't work. greetings, pete