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Wireless network icon suddenly missing from wingpanel. Cannot find option in dconf-editor to enable network icon.

I tried

killall wingpanel

but there was no change.

How can I get the network icon back in wingpanel?

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7
  • Can you check whether you have indicator-applet installed?
    – Giulio Sant
    Commented Jul 7, 2015 at 18:42
  • Have you run updates and restarted your computer? Oftentimes that will solve issues like this. :)
    – Cassidy James Blaede
    Commented Jul 8, 2015 at 18:25
  • I do have indicator applet installed, and I've tried updating fully and restarting. Still nothing.
    – svh160
    Commented Jul 11, 2015 at 5:44
  • 1
    I'd suggest to create new user, log under him, and check if the indicator is present. If it is present - you'll know it's a matter of your user's config. If it's missing - you'll know it's something global (something with the package probably?). Try it out and let us know the results - we'll then consider directions
    – V_Pavel
    Commented Jul 14, 2015 at 17:19
  • Tried making another account. Once logged in, the network icon was not there. Something's gone amiss with the package.
    – svh160
    Commented Jul 15, 2015 at 19:41

3 Answers 3

Reset to default
6

The fix was to reinstall libappindicator and reboot.

Here's the link to the answer: https://askubuntu.com/a/586319/203856

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4

Since the problem persists even on another new account it doesn't like it's a problem with an auto-start or visibility, it's something global, which I would bet on a package corruption...

I wrote a general troubleshooting post, just in case anyone else stumbles upon it with a slightly different problem. However, please follow all the steps to make sure. if it doesn't help - post us with results from each step.

First of all, lets check if nm-applet is in place in your system and it can be actually launched.

  1. check if nm-applet is in-place:

    # ps aux | grep nm-applet

    if it's in place it's only a problem of visibility, check step 4. If it's missing - check step 2.

  2. check binary and package presence:

    # ls -la `which nm-applet`
# dpkg -V network-manager-gnome

    If it's missing or any problems with package - reinstall network-manager-gnome package. If everything is ok - move on to the next step.

  3. If everything is in place - try to start it manually by running following command:

    # nm-applet

    If it keeps running and does not exit, and icon appears - it means its an auto startup problem. go to step 5

    If it keeps running without icon appearing - move on to the next step.

    If it exits right away - troubleshoot the exit errors. You can even try to strace as binary doesn't have many debug options:

    # strace -vtfs1024 -o /tmp/nm-applet-startup.strace.log nm-applet

  4. If you've reached this place - it means your nm-applet can start just fine but you don't see the icon. probably issue is the visibility. Check it by calling gsettings:

    # gsettings get org.gnome.nm-applet show-applet

    if it returns false - bingo. That's the problem. Now call gsettings again to enable its visibility:

    # gsettings set org.gnome.nm-applet show-applet true

  5. If you've reached this place it probably means your nm-applet works fine but does not start automatically. we can fix that

    Open settings, locate Applications and Startup. Add "nm-applet" over there. I know in luna it can be different a bit but you've got to figure it out, I don't have Luna :) Should look somehow like on a screenshot below

    nm-applet autostart manual configuration

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8
  • The nm-applet process is present. Once in step 4, however, I try # gsettings get org.gnome.nm-applet show-applet and get: No such schema 'org.gnome.nm-applet'
    – svh160
    Commented Jul 17, 2015 at 20:55
  • @svh160 it could be because of the difference in Luna/Freya. Try "gsettings list-recursively | grep nm-applet | grep show", hope it helps
    – V_Pavel
    Commented Jul 17, 2015 at 20:57
  • Output of gsettings list-recursively | grep nm-applet is blank. Output of simply starting nm-applet is : ** Message: applet now removed from the notification area ** Message: using fallback from indicator to GtkStatusIcon
    – svh160
    Commented Jul 17, 2015 at 20:59
  • try launching it with # nm-applet --shell-debug
    – V_Pavel
    Commented Jul 17, 2015 at 21:01
  • Output of # nm-applet --shell-debug: ** Message: applet now removed from the notification area ** (nm-applet:32634): WARNING **: Failed to register as an agent: (32) No session found for uid 0 ** Message: using fallback from indicator to GtkStatusIcon ** Message: Starting applet secret agent because GNOME Shell disappeared
    – svh160
    Commented Jul 17, 2015 at 21:02
1

Had exactly same issue on Elementary OS Freya. This worked for me: 

sudo apt-get install indicator-applet
sudo apt-get install indicator-application

Originally found on google+ forum

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