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I have the following problem with Ubuntu 13.04: GUI randomly switches to console mode. If I suspend and wake up, it is in GUI again.

A related issue is when I switch to a different terminal (e.g. Ctrl+Alt+F1) and then switch back to tty7 (Ctrl+Alt+F7) - I see the same console I mentioned before (looks like a system log).

I tried all Ctrl+Alt+FN and Ctrl+Alt+Fn+FN, but it does not help. The only thing that helps is suspending (i.e. closing the lid) and waking up.

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  • It may be your display manager which is causing this. Another possible issue may your graphics driver. So first I want you to try the suggestion that I'm posting in my answer. Give it a try: if it doesn't work then we'll proceed further.
    – Saurav Kumar
    Sep 14, 2013 at 20:12
  • Could you take a photo when this happens? Also, upload the content of the /var/log/Xorg.0.log file next time this happens.
    – Braiam
    Sep 15, 2013 at 0:48

1 Answer 1

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Try to reconfigure lightdm, it may fix your issue

  • Open terminal(CTRL+ALT+T) and execute following command:

    sudo dpkg-reconfigure lightdm

  • Then chose lightdm from the list.

  • Restart your system:

    sudo reboot now

It may fix your issue. If doesn't fix then follow 2nd Method.

Method 2:

Installing a new display manager can fix your problem. Steps to install GDM(a display manager much like lightdm):

  • Open terminal(CTRL+ALT+T) and execute following commands:

    sudo apt-get install gdm
sudo dpkg-reconfigure lightdm

    then chose gdm from the list. And restart your system:

    sudo reboot now

Hope these methods solve your issue. Reply if something goes wrong..

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  • So far the first method seems to have solved the problem. I'll see if it survives a couple of restarts and accept the solution. Thanks! By the way, is this a known issue, is it reported to lightdm or ubuntu developers?
    – naktinis
    Sep 16, 2013 at 11:31
  • Sounds good!! :) It would be lightdm because same issue arrived for me.. I removed lighdm and installed gdm, till then I've never faced such issue.. ;)
    – Saurav Kumar
    Sep 16, 2013 at 13:13

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