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I tried setting the login screen background to my wallpaper, and this works for locking once I'm signed in, but when I boot up I just get a solid color purple screen, and it totally glitches when I sign in, but eventually goes to the desktop. How can I either fix this (preferably setting it statically to my desktop wallpaper), or at the very least reset it to default? Thanks in advance for any help.

cosmoflop12
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2 Answers2

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Use the following command to edit the following file:

sudo nano /usr/share/glib-2.0/schemas/10_unity_greeter_background.gschema.override

Then copy and paste this into the file and replace /foo/wallpaper.png with the actual path to the actual file you would like to use for wallpaper (remember to put it in ' marks or this won't work!):

[com.canonical.unity-greeter]
draw-user-backgrounds=false
background='/foo/wallpaper.png'

alternatively, to set it to default, use this instead:

[com.canonical.unity-greeter]
draw-user-backgrounds=true
background='/usr/share/backgrounds/warty-final-ubuntu.png'

Press CTRL + o and then press ENTER to save the file. Press CTRL + x to exit nano.

When you are finished, run the following command to apply the changes:

sudo glib-compile-schemas /usr/share/glib-2.0/schemas/

source

mchid
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  • Tried this exactly, no dice. Still got a solid dark purple background, and a weird spazzy glitch before loading the desktop. Functional... but ugly and annoying. – cosmoflop12 Sep 14 '15 at 04:31
  • @cosmoflop12 You know, the dark purple color can be set also by editing this same file. You can change it to black like in this answer to my own question here: http://askubuntu.com/questions/673104/now-that-usr-share-backgrounds-warty-final-ubuntu-png-has-changed-where-is-t/673888#673888 – mchid Sep 14 '15 at 04:42
  • @cosmoflop12 Also, if the file is a jpg image, you may have trouble. I think I remember reading something about how the file needs to be a png. – mchid Sep 14 '15 at 04:43
  • It's a png. And honestly the color doesn't bug me that much... It's just the glitching out. Everything goes whack towards the top of the screen for a significant amount of time (longer than it'd usually take to log in) before going to my desktop. – cosmoflop12 Sep 14 '15 at 04:52
  • you can check your xorg log in systemlog or dmesg for more info. – mchid Sep 14 '15 at 05:07
  • Ran dmesg, got a long thing that seemed to have quite a few errors included. Would it help if I posted that here? – cosmoflop12 Sep 14 '15 at 05:18
  • Sorry if I'm kinda having trouble, it's late and I'm kinda still a beginner with this stuff. – cosmoflop12 Sep 14 '15 at 05:18
  • probably too big to post. I'll try to find the right stuff to flag and will post a command that will only print the relevant stuff. – mchid Sep 14 '15 at 05:20
  • @cosmoflop12 this might be better dmesg | grep -iC 3 "error" – mchid Sep 14 '15 at 05:24
  • Ok still pretty long. I'm gonna put this in a google drive document and put a link. – cosmoflop12 Sep 14 '15 at 05:31
  • Here it is: https://goo.gl/xJIo0h – cosmoflop12 Sep 14 '15 at 05:32
  • i didn't see much about video. maybe check xorg logs in the systemlog app. Also, there are settings in ccsm (compizconfig-settings-manager). You can mess with the opengl settings there and sometimes that helps. – mchid Sep 14 '15 at 06:13
  • @cosmoflop12 If it is solid purple, see my answer here on how to change that to black. http://askubuntu.com/questions/673104/now-that-usr-share-backgrounds-warty-final-ubuntu-png-has-changed-where-is-t – mchid Feb 16 '16 at 20:25
0

It was a permissions issue. Set the login screen to an image with permissions for only one user. Made it readable across all and now it works!

cosmoflop12
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