Has anybody had any trouble getting sound to work on their computers when connecting ot the system?

If so, this provided link may have the answer: Outputting Sound on Mac or PC via HDMI

Let me know if it works!

What can be done if a professor needs to play a Blu-Ray/DVD in a class that does not have a Blu-ray/DVD player?

Is it possible to see your notes when presenting with Keynote on an iPad, through Air Media?  If so, how?