This is how to fix initial black screen on Syberia Steam version running on PlayOnLinux
Syberia player.ini
You need to create a file called player.ini inside the Syberia directory, as follow:
To confirm the contents of the file:
After that, just restart Syberia and you should be able to see the initial screen.
PlayOnLinux – How to play windowed:
Configure -> Wine -> Configure wine -> Display -> Emulate a virtual desktop