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I'm newbie with ubuntu, when I start up Ubuntu, my Ubuntu can not boot into default mode and I received massage following message.

enter image description here

Please help me, Thanks you so much.

  • Run command systemctl default first & then see what happen. – d a i s y Feb 22 '16 at 16:21
  • Ubuntu loading screen appears. After that it still displays this massage console screen again. – Minh Thanh Feb 22 '16 at 16:28
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If you are stuck in emergency mode you can try to go back to default by using

Run this in root

sudo -i 

sudo apt-get install --reinstall unity
dconf reset -f /dev/sda8/ && setsid unity

Replace / with output on emergency mode preview.

This may require a reboot.

| improve this answer | |
  • I received a error after the second conmmand: error: Cannot autolaunch D-Bus without X11 $DISPLAY Usage: dconf reset [-f] PATH Reset a key or dir. -f is rquired for dirs. ..... – Minh Thanh Feb 22 '16 at 17:03
  • Can you edit your question with the full output of the error plz – DnrDevil Feb 22 '16 at 17:11
  • Ok, this is full output. Cannot autolaunch D-Bus without X11 $DISPLAY Usage: dconf reset [-f] PATH Reset a key or dir. -f is rquired for dirs. Arguments: PATH: Either a KEY or DIR KEY A key path (starting, but not ending with '/') DIR A directory path (starting and ending with '?'). – Minh Thanh Feb 22 '16 at 17:12
  • Sorry, How can i put my command in box like you, I am newbie and just joined this forum a day ago :) – Minh Thanh Feb 22 '16 at 17:17
  • O isee you used the example my apologizes updated answer. – DnrDevil Feb 22 '16 at 17:40

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