1) Make sure your speakers are turned on.
2) Check to see that your computer's audio is turned on.
On Windows, go to "Start Menu">"Control Panel">"Sound."
On Macintosh, go to the "Apple" menu>"Control Panel">"Sound." -->More info
3) Verify that you have the latest Flash plug-in loaded on your computer's web browser. Click here to check your system now.
Support document 079