Lost audio when I installed SLI with 2 graphics cards

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merowland01

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Oct 18, 2015
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4,510
I have a Z68 Extreme7 Gen3 MB and just added a 2nd graphics processor (2 GTX580s) when I lost all sound output and mike input. I am running Windows 10. I installed the latest Realtek drivers from Asrock which aren't specified for windows 10. All device drivers have a "working properly" status and have events listed like "following status: 0". One odd thing I noticed was that in the Realtek HD Audio Manager, the pictures of the speakers and microphone are grayed out. The front speakers and microphone are also not working. How can this be and what can I do?

A follow up note: I removed the 2nd graphics processor (GTX580) and the problem still exists. Same as identified above. I even installed updated drivers from Realtek site updated for windows 10 in 6/2015. No effect. This is so strange, could I have bumped something on the MB that disables the onboard audio? Everything looks fine , even the Windows audio services are running.
 
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merowland01

Reputable
Oct 18, 2015
18
0
4,510


The drivers are from the 8.x Asrock site for my MB are v6699. I also installed from Realtec June/2015 windows 10 drivers....no difference. Remember, the problem occurred after I setup SLI. Removing SLI and 2nd processor and problem was still there. There were no changes in audio drivers during this time. Only during troubleshooting did I swap drivers since I was told that that was one of the first things to try. I checked BIOS 2.30 setting and they hadn't changed and were "auto". I was suspecting that I might have accidentally disconnected something in the MB when I installed the SLI 2nd GPU, but couldn't see anything that would cause a sound problem. Hope this makes sense....

 
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