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I recently upgraded from 11.10 to 12.04. My first attempt failed, and I received an error stating that not all of the required packages were downloaded. Before (successfully) attempting again, I noticed that there was no longer a networking indicator in the upper panel. The indicator did not reappear with the installation of 12.04.

To be clear, my wireless connection has experienced no problems, despite the missing indicator.

Here are the solutions that I have found which did not work for me:

  1. Editing /etc/NetworkManager/NetworkManager.conf and replacing [ifupdown] managed=false with =true.
  2. Reinstalling network-manager (via apt-get install --reinstall).

I am currently running 12.04 on an Asus Eee PC 1005 HA, and I am new to seeking solutions through forums, so I apologize if I have neglected to provide some vital information about my hardware.

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4 Answers 4

Reset to default
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Motivated by this post on Ubuntuforums.org, I have found a solution to my issue in two steps.

  1. Purge and reinstall network-manager-gnome:

    sudo apt-get purge network-manager-gnome && sudo apt-get install network-manager-gnome

  2. Add nm-applet to the Startup Applications (which may be found by entering "Startup Applications" in the Dash and setting the path to /usr/bin/nm-applet).

    I verified that the latter step was necessary, as the indicator did not appear after login without this addition of nm-applet to the Startup Applications.

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  • 1
    thanks! finally learned the name of that applet! i installed network-indicator for some dumb reason, and it removed the network-manager-gnome... and i'm clueless to the unintuitive magic required to get apt-get removed package history... after reinstalling this one all is back to normal. Also, had to reboot before nm-applet stopped dying with errors. think it also installed some services, but i didn't take note.
    – gcb
    Jul 22, 2012 at 5:13
  • Thank you! I have had several problems with WiFi and not it's working perfect (so far)!
    – Diego Jancic
    Oct 10, 2012 at 21:20
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    Only needed to do the first step, then relog
    – panmari
    Jan 20, 2013 at 16:46
  • Did not help on ubuntu 14.04 64bit
    – Dziamid
    Mar 17, 2015 at 11:06
  • Finally. I need to look at so many places and did all the dumb things like installing network indicator etc. But this is the solution.
    – Satya Prakash
    Apr 13, 2017 at 16:21
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if everything else fails,use this

sudo apt-get install indicator-applet-complete

quick restart and you should see it on the panel again

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    This helped me on Ubuntu 14.04 64bit
    – Dziamid
    Mar 17, 2015 at 11:05
  • This helped me on Ubuntu 15.04 65 bit. Thanks
    – Shashank Agrawal
    Apr 7, 2016 at 7:51
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The only solution that worked for me was:

sudo apt install indicator-applet indicator-network

Source: https://ubuntuforums.org/showthread.php?t=2251198&page=2&p=13167056#post13167056

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0

For me the answer into plasma desktop or KDE was into the system tray settings -> General -> network enabled and then in Entries -> show

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