Disappearing icons

[Conny Enström]

2013-04-16 08:00, JD skrev:
>
> On 04/15/2013 03:19 PM, Conny Enström wrote:
>> 2013-04-15 22:50, JD skrev:
>>> Hi All.
>>> Ubuntu 12.10 - latest updates.
>>> Mate Desktop 1.6.0
>>> I have arranged my 2 panels vertically
>>> on right and left sides of screen.
>>> On the left, I used to see the nm-applet icon displaying
>>> the status of my current connection, and provided me
>>> with list of available networks, and ability to edit
>>> the networks I connect to .... etc.
>>>
>>> It has disappeared.
>>>
>>> I used to run gnome-sound-applet, and it would
>>> place the icon for the volume control on the left panel.
>>>
>>> It has disappeared. It will not sho no matter how many
>>> times I execute gnome-sound-applet.
>>> $ ps -ef | egrep 'nm-applet|gnome-sound-applet'
>>> jd       14234 14099  0 Apr14 ? 00:00:13 nm-applet
>>> jd       14506 14168  0 Apr14 ? 00:00:00 gnome-sound-applet
>>>
>>> The launch icons on the left tab are still there. Only the icons
>>> or running applets have disappeared.
>>>
>>> Thanks for your help.
>>>
>>>
>>>
>>>
>>
>> You are missing the *Notification Area.*
>> To add a *Notification Area* applet to a panel, hold Winkey-Alt and
>> right-click on any vacant space on the panel.
>> Choose *Add to Panel*->*Utility*->*Notification Area*.
>>
> Hi Conny,
> On the right side panel, where I have 12 workspaces (I really need them),
> and they are displayed in a single row at the bottom of the panel.
> For any given workspace, the currently running applications icons in
> that workspace,
> which used to be displayed in the empty area of the right panel,
> starting near the top
> of the panel, have also disappeared.
> I tried to use your magical incantation above; but it does not bring
> back the icons of
> the currently running apps for current workspace.
>

If you want the panels back to default run this from command line:
rm -rf .gconf/apps/panel

Or this:

gconftool-2 --recursive-unset /apps/panel

Logout and login again.

Or you can read this: 
http://askubuntu.com/questions/125662/how-to-reset-gnome-panel