Re: No sound on earphones after setting up HDMI
> I'd suggest checking alsamixer and/or gnome-alsamixer and make sure the
> appropriate jacks (on my system, "front") have not been muted.
I have Master, PCM, S/PDIF, S/PIDF Defa, S/PDIF 1, S/PDIF 2.
Master and PCM aren't muted (I hear sound from the speakers).
All those S/PDIF (which I have no idea what they are) are muted and I even if I unmute, I can't raise them from zero.
In Gnome panel they appear as checkboxes called IEC958, IEC958 Default PCM, IEC958 1 and IEC958 2 (I believe they're the same).
> you could also try to unload the HDMI sound module and load the intel
> sound module.
> #rmmod snd-hda-intel-hdmi
>
> #modprobe snd-hda-intel
Here it is:
root@motavia:/home/otto# rmmod snd-hda-intel-hdmi
ERROR: Module snd_hda_intel_hdmi does not exist in /proc/modules
root@motavia:/home/otto# modprobe snd-hda-intel
root@motavia:/home/otto#
Nothing changed.
One thing I noted is that the mute LED on the laptop is on (brighter than the others) and only gets off when I actually press it and mute. I'm not 100% sure, but I don't remember it being that way.
2012/7/27 Carl Fink
<carl@finknetwork.com>
I'd suggest checking alsamixer and/or gnome-alsamixer and make sure the
appropriate jacks (on my system, "front") have not been muted.
Carl
On Fri, July 27, 2012 8:57 pm, Otto wrote:
> Hi,
>
> I just can't hear anything from my earphones.
> The notebook is a Lenovo G460-06777VP, which has this soundcard:
> 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High
> Definition Audio (rev 05)
>
> Today I was trying to set up HDMI to connect to the laptop. The video
> output was fine, but the audio one was not.
> I had to run the following commands to make audio work:
>
> # m-a update
> # m-a prepare
> # m-a a-i -t alsa-source
>
> This last one downloaded and compiled something.
>
> I also had to create file /etc/asound.conf containing the following line:
> pcm.!default hdmi:Intel
>
> Finally, HDMI video and audio were fine.
>
>
> Later, I removed the HDMI cable and decided to use the earphones. Now they
> simply output nothing!
> I removed the /etc/asound.conf file and still have no sound. Rebooted and
> nothing.
>
> The laptop speaker is fine, the earphone too. The sound port is fine, too
> (I booted using a LiveCD).
>
> How can this be fixed? Thanks.
>
Carl Fink carl@finknetwork.com
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