No sound device in Solaris 11 running in Parallels (MacBook Pro)

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http://www.unix.com – I'm new to Solaris. I was able to installed Solaris 11 running GNOME. I tried to detect sound/audio but the message given that "No volume control GStreamer plugins and/or devices found". There is no dev/audio but there are audio drivers such as gstreamer installed when I checked using Solaris Package Manager. Even when I search using keyword in Package Manager "audio", the audio drivers are installed. How do I enable the audio driver so that I can listen to music in Solaris. Thanks. (HowTos)