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I recently installed XFCE GUI, because I was interested in what it might look like. This changed the wallpaper on my login screen to the standard XFCE greeter.

When I switch back to GNOME, the wallpaper doesn't change back to what it was before, which was the default Ubuntu wallpaper.

I followed the instructions of this post: How do I change the login screen in Ubuntu 16.04+? on how to change the login wallpaper, but to no effect. If I open LightDM, the image selected there is actually the default wallpaper of Ubuntu and I also verified this by going into the folder and looking at the image files. It seems that the XFCE setting is somehow taking precedence over all other settings. I considered uninstalling XFCE, but I would still like to test it.

I have now also completely removed XFCE from my system using this guide: https://www.howtoinstall.co/en/ubuntu/xenial/xfce4?action=remove, and I still can't switch or even get rid of the XFCE greeter wallpaper.

insideman
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1 Answers1

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In my case, what helped, was to edit lightDM config file:

sudo vim /etc/lightdm/lightdm-gtk-greeter.conf

and in section [greeter] adding line:

user-background = false

If you have installed GUI tool for lightDM configuration (sudo apt install lightdm-gtk-greeter-settings) you can achieve the same by ensuring that "Use user wallpaper if available" option is not marked.

izkeros
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