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Spectre x360
Microsoft Windows 10 (64-bit)

Ever since I upgraded my HP Spectre x360 notebook to Windows 10, I have not been able to use the Stereo Mix function to record audio produced by the machine. I need to do this for the work I do - making audio copies of speeches on television, for example - and have never struggled to activate the function on any other machine before.

 

After extensive web searches, here are the things I already have tried:

 

1) Under Sound > Recording Devices in the Control Panel, right-clicked to show disabled and disconnected devices. The only device I see "Microphone - Intel Smart Sound Technology". Nothing else appeared.

 

2) Downloaded and installed the latest audio drivers provided by HP on its customer support page (it was the Realtek High-Definition (HD) Audio Driver 6.4.10041.130 Rev.A), released on 19 November 2015. Nothing new appeared.

 

3) Downloaded and installed the latest Realtek drivers from Realtek's own website at realtek.com.tw. Nothing new appeared.

 

I'm prepared to muck about in the registry to force Windows to activate Stereo Mix, but I have no idea where to look.

 

Is it significant that all my audio devices are listed as "Intel Smart Sound Technology" and not as Realtek?

 

Does anyone have any ideas?

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