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kannzzmm2
Asked: 2019-06-22 15:06:00 +0800 CST

Login screen appears on second monitor [duplicate]

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After I choose Ubuntu from the GRUB menu which appears on the primary monitor, the login screen appears on the second monitor which is something that I don't want.

How can I prevent this, so that everything appears on the primary monitor?

Nvida X Server Settings

multiple-monitors gdm 18.04 nvidia-geforce

1 Answers

  1. Best Answer

    Ubuntu 18.04 login screen Display settings

    Copying the file monitors.xml from /home/user/.config into /var/lib/gdm3/.config/ and

    sudo cp ~/.config/monitors.xml ~gdm/.config/monitors.xml
sudo chown gdm:gdm ~gdm/.config/monitors.xml

    In /etc/gdm3/custom.conf changing from #WaylandEnable = false to WaylandEnable = false solved the issue.

    UPDATE

    The same things happen on Ubuntu 20.04 LTS Focal Fossa, gdm somehow does not recognize which monitor is set as primary and the login screen appears on second Monitor.

    Copying only monitors.xml solves the issue 

    sudo cp ~/.config/monitors.xml ~gdm/.config/monitors.xml
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