SPDIF out not working in windows

Guru_

Junior Member
Mar 5, 2014
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Hello People,
This is my first post so pardon me for my mistake(s)

Here is my set-up
ASUS P8-H67-m-Pro
ASUS 6970 directcu ii, connected to a dvi monitor
8gb Crosshair Ram
Steelseries usb sound card
Windows 7 64 bit/ Ubuntu 64 bit

I use this rig mostly for gaming only, i use my sennheiser connected to the steelseries usb and everything works fine.

I have this new yamaha surrounsound which i have connected SPDIF (Optical) jack, under windows it was not even detected so, i removed the steelseries sound card still no avail the jack isnt even detected, under asus sound manager it shows nothing is connected when only the spdif is connected, rest all connections work fine and i have sound.

However when i switch to ubuntu i do get sound from the spdif i listen to music movies youtube everything works.

I tried updating the drivers under windows switching to on board graphics, removing the graphic card nothing heleped.

Your inputs please.