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#1 2013-02-02 11:06:12

victorhooi
Member
Registered: 2009-08-06
Posts: 109

HP 6730s with Intel HD sound - no sound output at all?

Hi,

I've just installed Arch Linux (x64) on a HP 6730s laptop, and I don't seem to be getting any sound at all.

I installed alsamixer, and unmuted the Master, as well as setting the volume to 100.

My output from lsmod:

[victorhooi@arch-hp6730 ~]$ lsmod | grep '^snd' | column -t
snd_hda_codec_analog  80198   1
snd_hda_intel         27700   4
snd_hda_codec         100743  2   snd_hda_intel,snd_hda_codec_analog
snd_hwdep             6429    1   snd_hda_codec
snd_pcm               77827   3   snd_hda_codec,snd_hda_intel
snd_page_alloc        7427    2   snd_pcm,snd_hda_intel
snd_timer             18935   2   snd_pcm
snd                   60157   12  snd_hwdep,snd_timer,snd_pcm,snd_hda_codec,snd_hda_intel,snd_hda_codec_analog

My output from /dev/snd:

[victorhooi@arch-hp6730 ~]$ ls -l /dev/snd
total 0
drwxr-xr-x  2 root root       60 Feb  3  2013 by-path
crw-rw----+ 1 root audio 116,  6 Feb  3  2013 controlC0
crw-rw----+ 1 root audio 116,  5 Feb  3  2013 hwC0D0
crw-rw----+ 1 root audio 116,  4 Feb  3  2013 hwC0D1
crw-rw----+ 1 root audio 116,  3 Feb  2 21:06 pcmC0D0c
crw-rw----+ 1 root audio 116,  2 Feb  2 21:44 pcmC0D0p
crw-rw----  1 root audio 116,  1 Feb  3  2013 seq
crw-rw----+ 1 root audio 116, 33 Feb  3  2013 timer

I tried testing sound with:

speaker-test -c 2

No sound output at all, from speakers, or headphones.

I also tried with aplay and a wav:

[victorhooi@arch-hp6730 ~]$ aplay /usr/share/sounds/speech-dispatcher/test.wav 
Playing WAVE '/usr/share/sounds/speech-dispatcher/test.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono
[victorhooi@arch-hp6730 ~]$ aplay /usr/share/sounds/speech-dispatcher/test.wav 
Playing WAVE '/usr/share/sounds/speech-dispatcher/test.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono

Also no output.

I also tried playing a video with KDE's Dragon video player, also nothing.

I then tried using VLC to play a movie, also no sound, however, I noticed the following in the console output:

[0x7fd320000958] pulse audio output error: PulseAudio server connection failure: Connection refused

I installed the pulseaudio and pulseaudio-alsa packages, and restarted VLC.  I didn't see that error this time, but still no sound.

Any thoughts on how to get sound working?

Cheers,
Victor

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#2 2013-02-02 13:13:24

vacant
Member
From: downstairs
Registered: 2004-11-05
Posts: 801

Re: HP 6730s with Intel HD sound - no sound output at all?

ISTR on my old HP there was a "hardware mute", something like FunctionKey + F9?

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#3 2013-02-02 13:40:40

victorhooi
Member
Registered: 2009-08-06
Posts: 109

Re: HP 6730s with Intel HD sound - no sound output at all?

heya,

@vacant: Thanks for the tip - however, I already tried that sad, still no sound.

On the laptops I've tried before , that combination just toggles the software mixer mute/unmute - I haven't seen it do a hardware mute/unmute before.

Cheers,
Victor

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#4 2013-02-02 14:32:25

victorhooi
Member
Registered: 2009-08-06
Posts: 109

Re: HP 6730s with Intel HD sound - no sound output at all?

heya,

Also, I ran the alsa-info script mentioned here(https://wiki.ubuntu.com/Audio/AlsaInfo):

My output is here:

http://alsa-project.org/db/?f=6d435bae8 … 62c202ce5d

Cheers,
Victor

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