Public bug reported:
On my HP Compaq 6730b the laptop speakers had no sound, after the installation
of Ubuntu 8.10 alpha5 2.6.27-2-generic. The only way I could hear sound was
when I plugged in my headphones. After reading the Wiki on how to install Intel
soundcards, it still didn't work, but now all works fine. Here is my solution
(first steps are from Intel soundcard Wiki):
1. finding out what kind of soundcard i have in my laptop
cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0x98900000 irq 17
2.finding out the codec-type
head -n 1 /proc/asound/card0/codec*
==> /proc/asound/card0/codec#0 <==
Codec: Analog Devices AD1984A
==> /proc/asound/card0/codec#1 <==
Codec: LSI ID 1040
3.with the information above, searching for the soundchip
zless /usr/share/doc/alsa-base/driver/ALSA-Configuration.txt.gz
4. editing "/etc/modprobe.d/alsa-base" and adding in my case
options snd-hda-intel model=mobile
after that I still had no sound from my speakers, but the final step solved all
that
5. editing "/etc/modprobe.d/options" and adding in my case
options snd-hda-intel model=mobile
6.reboot
Now not only do my laptop speakers have sound, but also mute if I plug
in my headphones.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: laptop sound speakers
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No sound from Laptop speakers, but headphones. my solution
https://bugs.launchpad.net/bugs/269027
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