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Windows 7: Some Automatic Update no longer let's me set 5.1 over HDMI WIN7SP1P64

07 Oct 2012   #1
cnibeck

W7 Pro 64Bit
 
 
Some Automatic Update no longer let's me set 5.1 over HDMI WIN7SP1P64

Solved! I have spent hours trying to get my uncompressed 5.1 audio working again. Something updated and I can no longer select or even see 5.1 or 7.1 see the enclosed screen capture. Boo Hoo! THis is supposedly a production machine




Attached Images
Some Automatic Update no longer let's me set 5.1 over HDMI WIN7SP1P64-no_5.1capture.png 
My System SpecsSystem Spec
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07 Oct 2012   #2
cnibeck

W7 Pro 64Bit
 
 

I did do this Latest Realtek HD Audio Driver Version. No change
My System SpecsSystem Spec
07 Oct 2012   #3
cnibeck

W7 Pro 64Bit
 
 

Solved! There used to be a setting available from the UI that said "ignore items being plugged in and turning off" I don't know where it went.... Thought it was in vision control center...

My computer goes to a Sony Surround sound receiver then out to the TV. If I disconnect the TV from the Sony AV then the computer can only see the Sony AV (5.1). If I plug the TV in (stereo Only) to the Sony AV Receiver the computer thinks stereo only is available. I have to disconnect the tv (physically unplug HDMI.... not switched) from the Sony to hear 5.1.


Attached Images
Some Automatic Update no longer let's me set 5.1 over HDMI WIN7SP1P64-5.1_fixed.png 
My System SpecsSystem Spec
.

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 Some Automatic Update no longer let's me set 5.1 over HDMI WIN7SP1P64




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