Sound Blaster X-Fi Surround 5.1

[mira715]

Hello,
my Sound Blaster X-Fi Surround 5.1 doesnt work through optical cabel only through analog. Any ideas

 

[VonPelz]

Have you enabled S/PDIF passthrough?

Here's how to enable it:
http://support.creative.com/kb/ShowArticle.aspx?sid=64440