Desktop and laptop sounds different

[M-HYPE]

So get my mix sounding good on my desktop,when I open it in my laptop,same beat using the same speakers and mixer,it doesn't sound the same and some of the tracks like the piano,the octaves have changed,I have a Asus rog laptop,so it has plenty of everything needed to run Fl20,its frustrating,hopefully someone knows what's going on,thanks

[ZipSnipe]

what did you use to transfer the songs from des...