Ubuntu

Sound card not detected on 8.04

Asked by purnateja

Hi,
I just upgraded to 8.04.
when i did a reboot after the up gradation I was able to hear sound. I was able to hear some songs on Amarok. But soon after some time I wasn't able to hear it.
When I did a lspci it shows this

00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)

please help.

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purnateja (purnateja-gmail) said : 		#1

And also while upgrading the installer asked me to replace
/etc/udev/rules.d/40-permissions.rules

with the new one. but I didn't replace it with the new file. Does this have any effect?

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purnateja (purnateja-gmail) said : 		#2

I also did a
lshw -c sound

  *-multimedia
       description: Audio device
       product: 82801I (ICH9 Family) HD Audio Controller
       vendor: Intel Corporation
       physical id: 1b
       bus info: pci@0000:00:1b.0
       version: 02
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list
       configuration: driver=HDA Intel latency=0 module=snd_hda_intel

it doent have unclaimed.
but still not getting sound

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marcobra (Marco Braida) (marcobra) said : 		#3

Please try to check if kernel modules are installed...

Open a Terminal from the menu Applications->Accessories->Terminal and type:

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install linux-ubuntu-modules-$(uname -r)

give your user password when requested, you don't see nothing when you type it, then press enter.

Then reboot your pc.

Hope this helps

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purnateja (purnateja-gmail) said : 		#4

Hi
my alsamixer had all the values reset which was restored.
now it s working fine
thanks for the support