Comment 12 for bug 387866

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blirp (larma) wrote :

I got this to work by following steffen's second post here http://www.linlap.com/wiki/dell%20precision%20m4400 (the one at Monday 13 of April, 2009 [12:09:14]), but I didn't modify alsa-base.conf.

* In the Volume control, click Preferences
* In the Preferences check Import1 Mux
* Close Preferences
* In the new 'Recording'-tab, unmute the microphone.

Sound now comes through the speakers attached to the docking station. It still doesn't mute the speakers on the machine.