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I was trying to change the Ubuntu 11.04 GDM default background wallpaper to solid color such as black. However it's not working; here is what I've tried so far:

  1. From the terminal:

    xsetroot -bg black -solid black 
  2. From /etc/gdm/custom.conf:


How can I make it work?

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up vote 1 down vote accepted

Two questions, does making the file you reference here: BackgroundImage=/var/tmp/x1.png specifically x1.png a black square, or transparent, fix it?

Second have you tried:

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