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The volume control icon is missing from the panel. The n/w and battery icons are shown. When I try to edit the Notification Area from the Panel preferences I see the volume is not available as a known app. I need help. Am a newbie :)

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I meant "known applications" when I said recent apps. –  Ed Fernando Jan 13 '13 at 6:00

4 Answers 4

up vote 10 down vote accepted

The volume control icon is part of the xfce4-indicator-plugin, which can contain various icons. You can accidentally remove the volume control icon, which will close the plugin; when it is running it is listed in system monitor as xfce4-indicator-plugin.

To return to your old panel setup as displayed here: , please follow these instructions.

(Only the volume and mail icons are actually part of the indicator plugin; the networking and power-management icons are separate plugins).

1) Just right-click the panel and go to panel preferences, as in the screenshot below:

enter image description here

2) Then, just make sure the appropriate panel is selected, move to the items tab and click the green + in the items tab (not the one at the top of the screen) to add an item.

enter image description here

3) Now, scroll down the list and select the indicator-plugin, click add, and close the menus. Your volume control icon and mail icons will be restored.

enter image description here

This should sort out your problem unless you have uninstalled some xfce4 items or icons.

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Thanks a lot. That did it :) I'm still new to this community, in the future I shall check the database thoroughly before popping in a question. –  Ed Fernando Jan 17 '13 at 6:53

I ran into this in an Ubuntu installation that I had installed the xfce4 pacakage on, not a proper Xubuntu installation. But in case if anyone else has the same problem, I had to install the indicator-sound-gtk2 package:

sudo apt-get install indicator-sound-gtk2

and then log out/log back in.

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Using your answer and this one, i finally got my volume control back! :) –  Lars Dec 7 '13 at 15:00

That's not intuitive. You need an icon separate from the notification area called "sound icon" or "volume control." This is a common problem. I use one called "Volti" and it's available for Precise and Oneric. Simply add it using Synaptic (or, I imagine, the Ubuntu Software Center.) This uses ALSA without having to use Pulse Audio, as well. Info: code.google.com/p/volti/‎

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I ran into this problem as well. I had two network icons displayed and when removing one of it, I had removed the indicator plugin. The above steps worked for me.

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