MacBook Air EPSON Projector audio

I have a MacBook Air and recently lost all sound. When I check under system preferences, Sound Output, it says I am connected to an EPSON Projector Audio. Any ideas what happened and how to remove

Hi everybody
The MacBook Pro folks have the same issues. Here is a similar discussion:
https://discussions.apple.com/thread/2784143?start=0&tstart=0
I have put some of my problems up there as well. For me nothing worked. Nobody in two Apple stores could help. VGA adapter did not work at all, regardless of the order of connecting cable and adapter. Tried two more adapters and two more cables. Mini-Displayport to DVI -Adapter did also not work. Everything works well under MacOS. Must indeed be something with the Thunderbolt/Mini-Displayport combination port and the Windows driver.
Any idea how to report this to Apple?
JK

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