You need to have your laptop ALREADY connected to ANY projector using the adapter before you begin these steps.

Click START bubble

Click CONTROL PANEL

Click SOUND

Make sure the PLAYBACK tab is selected

Click to highlight SPEAKERS AND HEADPHONES (has a laptopicon)

Click SET AS DEFAULT button

SPEAKERS AND HEADPHONES should now have a green checkmark inthe corner of the laptop icon

Click OK and you are done.

Test your audio WHILE CONNECTED to the projector, it should be working now.