Missing network icon in notification area (Mint 13 Maya)

[mark1mint]

Hi,after having some issues that made me steer away from Mint 12 in favor of Mint Debian,I've just installed Mint 13 Mate to give it a try,in a separate partition alongside Mint Debian:I'm trying now to set it up and see how it goes,however I've immediately had an hard time trying to set manually my network connection,not being used to the way this is handled in Mint 13,I've tampered with both Preferences-->Network Connections and Admnistration-->Network:as a result,the connection is now actually set the way I wanted,but for unknown reasons at the same time the icon in the notification area in the bottom panel is gone and I can't make it appear again,moving around or removing and then adding the applet again doesn't do the trick,that network icon is gone.
Any clues on what may have happened here? There should be a way to get it back,I hope

[mark1mint]

I've searched on the system for nm-applet,and found this file /etc/xdg/autostart/nm-applet.desktop,containing the line

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NoDisplay=false

so I've set it to true,but nothing has changed.
Furthermore,if launching nm-applet from a terminal,this is the output:

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** Message: applet now removed from the notification area
** Message: using fallback from indicator to GtkStatusIcon
** Message: applet now embedded in the notification area

I can't understand why it has been removed,any ideas on what may have happened?