Speakers do not mute when headphones plugged in

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carrotmuseum
carrotmuseum Member Posts: 13

Tinkerer

Before the latest Win 10 update (Nov 15) I was able to turn speakers on and hear audio through my laptop speakers.

 

Then as soon as I plugged in headphones into the headphone socket, the speakers automatically muted and I could hear audio through the headphones only.

 

When I then unplugged headphones the speakers came back on automatically.

 

Now that does not work. Whichever device I set as default is the ONLY one which works.  Default is selected using right click on speaker icon - playback devices.  That Panel shows the speakers and headphones on two separate lines and options to select only one of them as default..

 

I have checked "Mute all other sounds" in the Communications tab of Sounds in Device Manager.

 

I have updated drivers. The headphones work in other devices, like my mobile phone.

 

All worked ok until last update, not touched anything!

 

Acer Aspire One 722