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whenever I reboot the lightdm display the mouse cursor but it doesn't show the login form. However if I type my password I login into my account. This hapens since I've moved to kubuntu 15.04 (upgrade from kubuntu 14.10). I've reinstalled lightdm and it keeps doing the same thing. Any ideas? Thkx, Pedro.

Swarmanizer
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  • This sounds like a bug, you should probably report this on the lightdm launchpad page. –  Jul 01 '15 at 20:23
  • Definitely a bug. I've seen multiple questions like that, ever since 15.04 version. I suggest you switch to gdm for now, or boot to tty1, login, and run startx or startx unity -- :0 . You're probably gonna see xterm window with that last command pop up, which is normal if you don't have your desired session added to .xinit file. Link related http://askubuntu.com/a/519164/295286 – Sergiy Kolodyazhnyy Jul 01 '15 at 21:59
  • Sorry, mechanically wronte startx unity. You're probably will want kde. Also easier onestartx $(which kde) – Sergiy Kolodyazhnyy Jul 01 '15 at 22:09
  • Could you try my answer here https://askubuntu.com/q/697529/26246 ? – user.dz Nov 16 '15 at 09:36

2 Answers2

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It looks like a bug and affects me too. Switching to SDDM works for me. Switching from lightdm to SDDM is as follows:

Run the following and select sddm, and then do a restart:

sudo dpkg-reconfigure lightdm

Then select sddm.

Seth
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Hakan Koseoglu
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Have you tried this:

   sudo apt-get install --reinstall unity
   sudo apt-get update
   sudo apt-get upgrade
   sudo apt-get dist-upgrade
   unity --replace

and it might work fine this way

Michael
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  • Just confirm me, but unity is for ubuntu, not Kubuntu, right? I think i don't have unity installed... (I don't have the computer near me) – Swarmanizer Jul 01 '15 at 20:30