How to activate subwoofer in Inspiron 17r?

Posted by alfC on Ask Ubuntu See other posts from Ask Ubuntu or by alfC
Published on 2012-11-03T01:09:30Z Indexed on 2012/11/04 5:23 UTC
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sound

|

dell

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inspiron

I have a Dell Inspiron 17r, after a fresh install of 12.10, the subwoofer seems to be not utilized. No sound comes from it and in the Sound Control Panel the settings appear grayed out (see screenshot). How can I activate the subwoofer?

no subwoofer

I tried adding the line

options snd-hda-intel model=dell

in the file /etc/modprobe.d/alsa-base.conf and

enable-lfe-remixing = yes
default-sample-channels = 3

in the file /etc/pulse/daemon.conf, but still doesn't work.

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