Unity-greeter crashes, and constantly respawns, not letting me in. So, I configured auto login but that won't start anything except Unity session. I changed the lightdm.conf file to run Xubuntu but Unity still shows up. If I create a new user, it will start in Xubuntu just fine. I deleted my .conf XFCE prefs and that fixed nothing.

I can at least get in to the gtk login greeter but then the onboard keyboard does not show up. If I could get the onboard keyboard in the gtk greeter, I would be super happy. The onboard keyboard shows up in the Unity greeter just fine. But not the gtk greeter.

I don't have a solid keyboard because it is a tablet. So, I need the onboard in the greeter.

  1. Open "dconf Editor" program.
  2. From tree in left panel open com/canonical/unity-greater
  3. Chek onscreen-keyboard ckeckbox from right panel.

Have a nice time.

  • 1
    that's for the unity greeter right? I need to enable it for the gtk greeter – Joshua Robison Sep 8 '12 at 9:07
  • not working on 16.04 unfortunately – Mina Michael Oct 2 '16 at 2:52

With newer versions of lightdm (1.5.1?) there is a commented out line in the lightdm-gtk-greeter.conf file. The option at login is shown if you insert keyboard=whatever_to_start.

Example for onboard:



see patch: https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/905809

  • And you can toggle on-screen keyboard by F3 or in the accessibility menu. – jarno Oct 20 '15 at 18:04
  • Sometimes, when you want an on-screen keyboard, it's because you physically don't have a keyboard. Therefore pressing F3 may not be possible – Denys Vitali May 16 '17 at 9:46

There still seems like there is no way to get an on screen keyboard in the gtk greeter. Enabling the onscreen keyboard in the unity-greeter is somewhat easy but after a lot of research it appears that no one has done the development necessary to start an onscreen keyboard in the gtk greeter.

My particular problem however, does have a hack/fix. That is, I switched on "user does not need password on login"

This feature makes it so when the gtk greeter comes up, I only need to click on my user name to login. My user still has a password which I can use for package management etc. But for simply logging in , turning off the need to enter a password gives me at least a temporary fix...

I can at least get into my system without a keyboard.

  • I suppose this is not possible, if you have encrypted home folder. – jarno Oct 20 '15 at 17:25

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