Problem with 5.1

[Irakli_3]

Hello.
Having trouble with Logitech Z906. when i plug in with optical audio i see in any audio settings only 2 channels , there is no option for 5 channel or something similar for that.
Motherboard : MSI Z170A Gaming Pro

 

[Paul NZ]

Did you install the realtek drivers or are you using the drivers windows installed?