i have just solved this problem on mine
it was the microphone was not selected as the input source
just tic the box source
and bingo sound in messenger.

please mr moderator rerun this answer
to all ? of no sound/microphone in messenger
it will save other people the hours i have spent on the problem

"stewie" wrote:

> problem: my buddies cannot hear me when i connect to audio in msn
> messenger..i can hear them though, i've selected the microphone, turned the
> volume up, don't know what else to do.any ideas? running xp, mess. 6.2.
> thanks