Tim,
I suppose it COULD be an OS problem, but I just don't know. What are you using? My test was NT4, SP4.
If you click on the WAV file (in Explorer) does it play?
>
>set bell to 'd:\apps\priority\standby.wav'
>??chr(7)
>retu
>
>This produces silence as with any wav I use. But I can run the wav succesfully in media player et al.