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January 13th, 2009 17:00

No sound when using optical spdif connection

Hello all,

I have a XPS studio 435MT with an on board Realtek High Definition Audio.  OS is Vista 64 bit Home Premium,  The audio drivers are

version 6.0.1.5697 dated 9/2/2008. If I connect my speakers (Cambridge DTT3500 5.1 soundworks) to the sound card using analog connections I get sound with no issues.  If I connect using the optical spdif I do not get any sound.  I have set the "Digital output (optical)" tab to the default device.  If I unplug the analog jack cables the tab "Speaker" tab goes away so I don't even see a way of setting up the system to use 5.1 speakers.  I have verified that I am getting light thru the optical cable and that the connections are tight. 

Any suggestions would be greatly appreciated!

9 Legend

 • 

33.3K Posts

January 15th, 2009 03:00

Have you tried setting the output to the S/PDIF in Control Panel/Sounds?  If not, try that.

One note with the S/PDIF, from previous posts on the forum, you will only get stereo not surround sound.

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