Fix for Feisty-Sound-Toshiba Laptop
Posted by cddeluca on May 14th, 2008 
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Laptop: Toshiba A135-S4527
No sound output
lspci output: Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
Solution:
ADD OPTION TO /etc/modprobe.d/alsa-base
Insert last line: “options snd-hda-intel model=3stack”
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May 15th, 2008 at 9:56 am
Or you can add the following:
options snd-hda-intel model=lenovo
which has worked for my Toshiba Satellite since Feisty. However, though it acknowledges the headphone and microphone sockets, it doesn’t do much with them - I will try out your solution to see if it improves the situation.
(Also, for those of you having trouble, make sure your volume is up and that you’ve enabled the ‘Volume Control/Alsa-Base’ in System > Administration > Services
May 15th, 2008 at 10:27 am
I’ve managed to get sound running with the following:
options snd-hda-intel model=lenovo
options snd-hda-intel model=3stack
options snd-hda-intel model=auto
however, headphones didn’t work. Here is the solution:
in a terminal:
sudo su
sudo gedit /etc/modprobe.conf
In the blank text document that comes up, type:
options snd-hda-intel model=6stack-digout
Then save and reboot.
Finally, head to your terminal and type:
alsamixer
use the arrow keys to navigate around, and press ‘m’ on anything displaying ‘MM’ - and raise their volumes.
Now open volume control edit > preferences and allow ’surround’. Make sure all channels are unmuted. ‘Surround’ will control your main headphone volume!
This worked with my Toshiba Satellite L20, and it’s reported to work with L35 and onwards. You’ll have to experiment if you have a different Toshiba model - but this should work!
May 26th, 2008 at 4:13 am
sorry, but I’m new to Ubuntu, and my Toshiba is not outputting any sounds. every time I try this:
/etc/modprobe.d/alsa-base
in the Terminal, it says permission denied. How do I get permission?
May 26th, 2008 at 5:52 am
edit the file using the following command from terminal
sudo gedit /etc/modprobe.d/alsa-base
add the line menctioned
save and exit the file