Run gpedit.msc (Group Policy Object Editor) and look at User Configuration>Administrative Templates>Start Menu And Taskbar and then the settings 'Remove the networking icon' and 'Remove the volume control icon'. There can also be another reason why they don't show up and that is if a policy have restricted them to be showed.
It it still does not work you can start Regedit.exe and search for IconStreams and delete the value were it is found. Go back to Taskbar>Properties>Notification Area>System icons and you will find that you can activate the Volume icon again. Now to be able to get this working you either need to log out and log in from Windows or restart the computer or you can just restart Explorer.ģ. They can be deleted manually to achieve the same thing.Ģ. If you open up Regedit you can also locate this key and you will notice that there are two values IconStreams and PastIconsStream.