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I have my Ubuntu 18.10 just installed on my SSD and somehow I broke the desktop.

I was trying to change the login screen color following this forum: How can I change the purple background color of the lock screen on Ubuntu 17.10? and replaced the original gdm3.css in /etc/alternatives/ with its backup after the modification failed. Since then it locked me out. Every time I log in it flashes my wallpaper and crashes/bounces back to the login screen. I tried to reset GNOME settings but it didn't work for me.

But going to console mode with Ctrl + Alt + F1 (or F2, F3 etc) then type startx it loaded the original GNOME desktop just fine.

Can somebody explain this?

Zanna
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uEFImaster
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  • Is the backup owned by root? Please run ls -l /etc/alternatives/gdm3.css and post the results! – George Udosen Nov 26 '18 at 06:56
  • @GeorgeUdosen to test it i corrupted my gdm3.css file in my Ubuntu 18.10 and rebooted.. its not taking me to desktop.. – PRATAP Nov 26 '18 at 07:29
  • pratap@i7-6550U:~$ ls -l /etc/alternatives/gdm3.css lrwxrwxrwx 1 root root 49 Nov 26 12:22 /etc/alternatives/gdm3.css -> /usr/share/gnome-shell/theme/Yaru/gnome-shell.css pratap@i7-6550U:~$ – PRATAP Nov 26 '18 at 07:31
  • So since that file a sym link from /usr/share/gnome-shell/theme/ubuntu.css OP should delete it and create another link to that location – George Udosen Nov 26 '18 at 07:31
  • yes, i tried it in previous and it worked out. but this time, i could not get success. i am trying since morning to see the perfect solution for it. but not able to with my skill level. – PRATAP Nov 26 '18 at 07:32
  • My link is /usr/share/gnome-shell/theme/ubuntu.css why is yours different and am I talking to the OP are you @DemonUnix ? – George Udosen Nov 26 '18 at 07:33
  • Ubuntu 18.10 they introduced Yaru.. if its 18.04 /usr/share/gnome-shell/theme/ubuntu.css is rite – PRATAP Nov 26 '18 at 07:34
  • Let us continue this discussion in chat. – George Udosen Nov 26 '18 at 07:34
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    @GeorgeUdosen i could manage somehow by sudo cp -r /media/pratap/108e3c57-a7a6-47c2-8d0e-eae3ea141ce7/usr/share/gnome-shell /usr/share/ where media is my 18.04 and destination is 18.10. it worked. – PRATAP Nov 27 '18 at 05:44
  • Great then there is obviously something wromy with the original copy. Please post that answer as a workaround. – George Udosen Nov 27 '18 at 06:04

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