Mageia forum

Hi,

I can't get my subwoofer to work on Lenovo Y700. The speakers work ok, but the woofer is silent.

I've tried 3 approaches and all have failed.

Approach A
add a line:

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load-module module-combine channels=4 channel_map=front-left,front-right,lfe

to

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/etc/pulse/default.pa

changed

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enable-lfe-remixing = yes
lfe-crossover-freq = 0

in

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/etc/pulse daemon.conf

Approach B1
install alsa-tools and use hdajackretask to set 0x17 pin to Internal Speaker LFE
set Audio Profile in Settings to 2.1 Output

Approach B2
set 0x11b to Internal Speaker LFE
set Audio Profile in Settings to 2.1 Output

Approach C
Run the following code:

Code: Select all

#! /usr/bin/env sh

dev="/dev/snd/hwC0D0"

hda-verb $dev 0x17 SET_POWER 0x0
hda-verb $dev 0x1a SET_POWER 0x0
hda-verb $dev 0x03 0x300 0xa055
hda-verb $dev 0x03 0x300 0x9055
hda-verb $dev 0x17 0x300 0xb000
hda-verb $dev 0x17 0x707 0x40
hda-verb $dev 0x1a 0x707 0x25

Please help..

I can provide you with any info you need.

Thank you in advance for your help.

What speakers do you have, and how are they connected? HDMI or 3,5mm analog stereo ?

These are on-board speakers.

Here's the full spec:
http://www3.lenovo.com/us/en/laptops/id ... 8IPY700618

From a quick search, doesn't seem that's possible currently.

https://bugs.launchpad.net/ubuntu/+sour ... ug/1553685
https://bbs.archlinux.org/viewtopic.php?id=208634
https://forums.linuxmint.com/viewtopic.php?t=225734
https://www.reddit.com/r/Lenovo/comment ... der_linux/

Hi,

Thanks.

Back to Windows for me then...