Realtek hd audio cant setup stereo mix

[pr3m_]

i am setup realtek hd audio driver in my leptop toshiba but its same option is mising how can i solve it pls help me

 

[ksiemb]

i am setup realtek hd audio driver in my leptop toshiba but its same option is mising how can i solve it pls help me

Make sure Windows Audio Service is set to Automatic & Started. (Run services.msc) Scroll down to Windows Audio Double click, start the service. And it should be set to "Automatic"