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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.

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  • This sounds like a bug, you should probably report this on the lightdm launchpad page.
    – user364819
    Jul 1, 2015 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 askubuntu.com/a/519164/295286 Jul 1, 2015 at 21:59
  • Sorry, mechanically wronte startx unity. You're probably will want kde. Also easier onestartx $(which kde) Jul 1, 2015 at 22:09
  • Could you try my answer here askubuntu.com/q/697529/26246 ?
    – user.dz
    Nov 16, 2015 at 9:36

2 Answers 2

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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.

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-1

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

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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) Jul 1, 2015 at 20:30

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