Audio issues with dual screen FSX

Hi everyone,

I recently decided to dust off my old game and joystic to play on my laptop

I plugged an external monitor and use that one because it is bigger and leave my laptop monitor dark (my cg isn’t very powerful)

However, eventhough my laptop recognises my external monitor as my primary monitor (other games launch in that one) fsx seems to struggle between the two. It seems to always launch on my laptop’s screen and if i put it back on my main screen i can’t hear some of the audio. The aircraft keeps making engine noise but the voice over in the lessons is quiet… unless i move to game back to my laptop

I wanted to redo some of the lessons but without voice over it won’t be practical. Also i don’t remember if ATC has an audio but so far i haven’t heard them, only read their messages

Is anyone else experiencing the same problem ? I run the steam edition if that helps