Ubuntu 16.04 - Unity doesn't load - no Launcher or Dash appears
Solution 1
Probably a disabled installation here at your desktop. You could try to solve this with:
sudo apt-get update
then
sudo apt-get install --reinstall lightdm ubuntu-desktop
It can happen that there appears a query, which display-manager you want to set as main display-manager ---> so simply choose then lightdm.
Hope this helps. Here you can find more explanations about lightdm:
https://wiki.ubuntu.com/LightDM
And here more explanations about unity:
Solution 2
Assuming you can access the terminal, have you considered downloading and switching to another desktop environment? Recently I had a very similar problem with compiz/unity and the only solution was switching to GNOME 3. If you don't really care that much about the GUI, maybe that's the way to go.
So you can access your account and you can log into other accounts without any problem. I'm just guessing but maybe it's worth a try.
sudo apt-get install ubuntu-gnome-desktop
By the way, It can be a great moment to getting to know GNOME because the next LTS Ubuntu release will have it as default, from what I've heard.
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Mehrad Mahmoudian
Updated on September 18, 2022Comments
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Mehrad Mahmoudian over 1 year
UPDATE: None of the provided answer to this date (2017.10.16) have helped me solve the problem, so in a fair world no one should get the bounty. I should emphasis that the provided answer were either not in the direction of answering the question (like those who suggested installing Gnome) or their suggestion didn't work on the computer that I have this issue on. Nevertheless i appreciate the time and effort they have put into this.
This might look like a duplicate post but IT'S NOT since none of the suggestions and solutions in other posts worked in my case.
Problem description: Everything was going fine but I faces some sort of lags, so I rebooted the computer and after logging in to my account, Unity didn't load properly. I rebooted multiple times and ... Nothing.
What I did: I tried all the solutions and suggestion out there an none of the solutions out there worked. Things like:
the top 10 suggestions here: Unity doesn't load, no Launcher, no Dash appears
or
unity-tweak-tool --reset-unity
or
unity --reset-icons
or
unity --reset
or
gconftool --shutdown sudo killall -r -I gconf sudo killall -r -I dconf rm -rf .compiz* .gconf* .config/dconf/ .config/compiz*
My Idea and question: Based on a suggestion of my friend, I tried to login with another user and it worked! everything was fine, which narrowed down that some settings in my account is corrupted!
The question is, Which files should I transfer from the other account that Unity works fine on to my own account?
When I try to run Unity from terminal I get the following:
$unity unity-panel-service stop/waiting unity7 stop/waiting unity-panel-service start/running, process 6549 unity7 start/running, process 6648
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eridani over 6 yearsWhich files should you transfer? no idea, but try resetting dconf. First backup with
dconf dump / > dconf.bak
. Then reset withdconf reset -f /
if it didn't worked, you can restore it withdconf load / < dconf.bak
. You can also create a temporary admin acc, backup your account, delete it, recreate your account and retrieve from the backup only the things you need (some programs conf files and personal stuff). -
Fabby over 6 yearsI bow to your wisdom: answer deleted...
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leo277 about 6 yearsI just had the same problem and the only solution that did it for me was this: <p> itsfoss.com/… <p> To answer you question "Which files..." it seems core.pb is the one.
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Mehrad Mahmoudian over 6 yearsI already did that, but that does not return my precious unity and is not an answer to my question which is which files I should copy from a healthy account. (since you mention it, I used moved from Fedora to Ubuntu because of Gnome3 back in the day. from the next LTS I will move to something else unless they get rid of all the terrible awful ugliness and roughness of Gnome3, probably KDE or Pantheon or worst case to MATE)
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pvaesrtdoe over 6 yearsI know it was not an answer to your question, I was just making sure you had considered other options. I don't know what " terrible awful ugliness and roughness of Gnome3" you are talking about, though.
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Shai about 6 yearsThank you @pvaesrtdoe, I was in crunchtime today and Ubuntu Unity, for no reasonable explanation borked completely as described by the OP. I tried many of the suggestions and none worked so I took your suggestion. I was fine with Unity, but in this case necessity is the motivator for me learning a new desktop environment. It's been very easy so far.
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Erwan about 6 yearsAfter many attempts, this answer solved the issue for my laptop: it was probably the lightdm package, since I had tried to reinstall ubuntu-desktop before to no avail. Thanks a lot!