Vista Laptop as PA??

[James Edwards]

I have an instructor that teaches in a classroom that is slightly too 
big for her voice, but too small to have a full PA system in it. The 
room does have speakers in it, so the instructor would plug the speakers 
and a microphone into her laptop and use it as a PA when she was using 
WinXP. She has shifted to Vista and this no longer works. Anyone have 
any ideas how to do this in Vista?

TIA!
Jim

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