My Unity Greeter/LightDM is working fine in Precise with one exception.

When the greeter first displays the default system wallpaper /usr/share/backgrounds/warty-final-ubuntu.png is visible for 1 second, before dynamic LightDM kicks in. Its more of a nuisense than anything, but what options do I have to configure this to make it run seamlessly?

I have looked at other related AU Q&A and UF with no success and I have reviewed the configuration at

gksu gedit /etc/lightdm/unity-greeter.conf

  • perhaps you can clarify - are you asking how to turn off "dynamic" lightdm wallpaper?
    – fossfreedom
    May 2 '12 at 15:13
  • No, I really like this feature and the answer to turning it off already exists here. What I am trying to resolve is this. My chosen desktop wallpaper appears dynamically (No issues here) before it is displayed there is a split second when the default wallpaper is displayed. This happens for all logins. Its not a showstopper its just an inconvenience/a nusience and I thought someone out there may know how to fix it. Every thing else works great May 2 '12 at 15:23

Change the wallpaper to match your "dynamic" backgoroud or, change it to - something like a black, or dark purple background so you don't notice the switch, How do I change the wallpaper of the login screen? , otherwise you will notice when it changes from the default to your dynamic.

Maybe its a bug, who knows? If you turn off the dynamic wallpaper it will still show a transition from a purple background to a custom wallpaper.

Note to benefit others: Answer accepted as it improved LightDM transition, however it did not fully resolve the issue. Complete resolution would be nice, its a "paper over the cracks" solution (the black background).

  • Thanks, its a "paper over the cracks" solution (the black background) but one I may have to resort to if there is no fix. I wonder if I am the only one with this issue, if not maybe its a bug, who knows? May 2 '12 at 19:33

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