As DreamScene plays videos, the videos which have sound also play but sometimes people can’t hear it. If you know that your video definately has sound (such as a home movie), then follow these steps:

• Make sure your DreamScene video is running: right click an area of the desktop, select Play DreamScene.
• Make sure your speakers are on and turned up: this is essential for any sound to come out at all.
• Turn the system volume up: click the volume meter in the notification are and select Mixer. Ensure that all sliders (the important one is Windows Sounds) is turned up high, and that they are not muted.

If none of these work, ensure that your sound card is working properly and that your drivers are installed.