After he installed OpenAL.. and removed OpenAL.dll from the game folder? The game will pick up the .dll in the game's folder first, and the OpenAL installation second. So if there was OpenAL.dll in the game's folder it would've picked it up first.
Are you sure the player was not using an old version of the game without OpenAL soft?
Hey Amos, just to make this clear. After a while I also got the issue with no sound playing but everyone else was OK with it. I realized that I was supplying bad OpenAL dll version with the game. The one I had was around 100KB and the proper one that I recently replaced is around 800KB. I didn't know there are multiple versions of it, now there are no sound issues.
