How do I stop my laptop from suspending when closing the lid under lightdm – the power management settings in xfce or gnome 3 does not seem to apply when the window manager is not running.
Ubuntu – Stop laptop from suspending when closing lid in lightdm
lightdmpower-management
Related Solutions
Lid Close Action
To set up the Laptop Lid Close Action you have to install Advanced Setting (or the Gnome Tweak Tool). It is in the USC (Ubuntu Software Center) under either tweak or Advanced Settings. If installed press the super button and type in tweak or advanced and choose the Advanced Settings. When it opens choose the shell tab;
Press the arrows and choose you desired on both on AC and on battery;
Default buttons behavior
Install dconf-tools:
sudo apt-get install dconf-tools
Press alt+f2 and open dconf-editor (or in a terminal type dconf-editor)
Navigate to org.gnome.settings-daemon.plugins.power and set your default button-power action there:
On some systems you will also need to mark the item suppress-logout-restart-shutdown.
I scoured the 'net for solutions that respected the Ubuntu/GNOME settings but ultimately this was the only thing that worked for me:
sudo vim /etc/UPower/UPower.conf
# <snip> ...
ignoreLid=true
# <snip> ...
On systemd operating systems you can issue the command sudo service upower restart to have the new config take effect. Otherwise, you need to reboot.
Best Answer
At the bottom of
/etc/UPower/UPower.conf, setIgnoreLid=true.