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I just restored the left panel of Ubuntu using the post: Unity doesn't load, no Launcher, no Dash appears, but the icons on the top-right corner in the Panel are still invisible.

example of missing icons

I have searched but I haven't found anything that works for me on Ubuntu 14.04.

karel
  • 114,770
  • Try to update your system and restart your system. – BDRSuite Dec 19 '14 at 05:42
  • How to update my system? I have restarted thousands of times. – user280121 Dec 19 '14 at 05:48
  • Do you mean run "Software Updater"? I have done that. No use. – user280121 Dec 19 '14 at 05:49
  • Try the command "restart unity-panel-service" in terminal – BDRSuite Dec 19 '14 at 06:50
  • tried, but error: "restart: Unknown job: unity-panel-service" – user280121 Dec 19 '14 at 06:55
  • Check http://askubuntu.com/questions/476100/unity-and-the-tray-are-not-displayed-after-login and http://askubuntu.com/questions/468656/unity-crash-in-ubuntu-14-04 – BDRSuite Dec 19 '14 at 07:10
  • @vembutech: I don't know. When I power on the machine, an ugly blue login window takes over the usual login window and I have to log in from that login window. I don't know how to remove that ugly blue login. The question is described in: http://askubuntu.com/questions/563135/how-to-remove-the-ugly-blue-log-in – user280121 Dec 19 '14 at 07:11
  • All these problems arise from trying those strange commands told by a sucker. It took me great trouble to restore the left panel, so I don't want to try them any more. I believe the problem is from the ugly blue login (it behaves like a virus). We should try to remove that login. If it is removed, I think the icons in the top bar will reappear. – user280121 Dec 19 '14 at 07:22

1 Answers1

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By an accident I am unaware of, I selected lxdm as the display manager so an ugly blue login page comes out every time I tried to log in, as described in this question: How to remove the ugly blue log in?. Now I run sudo dpkg-reconfigure lightdm and select lightdm as the display manager, all things I am familiar with come back again, including the lovely icons in the topbar.

PS: by executing sudo apt-get remove lxdm, we can completely remove that ugly blue login window forever.

Thank Seth for his help.