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If you are having problems with an unclaimed sound card on linux kern > 2.6 you probably do not have the proper modules installed in your kernel.

This is how it should look when the card is properly configured:

prompt >lshw -C sound

  *-multimedia
       description: Audio device
       product: MCP55 High Definition Audio
       vendor: nVidia Corporation
       physical id: e.1
       bus info: pci@0000:00:0e.1
       version: a2
       width: 32 bits
       clock: 66MHz
       capabilities: pm msi ht bus_master cap_list
       configuration: driver=HDA Intel latency=0 maxlatency=5 mingnt=2 module=snd_hda_intel

If anywhere in the above listing it says UNCLAIMED then the proper module was not built. For the above module you must enable the Intel HD device. After enabling the device you must rebuild your kernel.

Page last modified on December 06, 2008, at 01:30 PM EST