Here I found a (workaround?)-solution:
http://www.linuxmintusers.de/index.php?PHPSESSID=ae47571e196b624a3109c83c69d26183&topic=15178.msg179264#msg179264
edit the file /etc/systemd/login.conf and uncomment/modify the following two lines:
HandleLidSwitch=ignore LidSwitchIgnoreInhibited=no
Now in my case the settings in cinnamon are no longer ignored.
Here I found a (workaround? )-solution:
http:// www.linuxmintus ers.de/ index.php? PHPSESSID= ae47571e196b624 a3109c83c69d261 83&topic= 15178.msg179264 #msg179264
edit the file /etc/systemd/ login.conf and uncomment/modify the following two lines:
HandleLidSwitch =ignore Inhibited= no
LidSwitchIgnore
Now in my case the settings in cinnamon are no longer ignored.