Volume control is missing in KDE

[Wong Kwok-hon]

Hello all!

There is two problem happened on me.

First is two the trash bin appeared on the desktop one is for Gnome
and another is for KDE, how to combine it into one ?

Second is volume control is missing in KDE but KDE detected my machine
has sound card. How to add it back into the panel ?

Thanks for your kindly help.

Regards,
Wong Kwok Hon