Linux 82801G ICH7 Family Sound Card Not Working On a Laptop

I‘ve 82801G ICH7 family sound card installed on my laptop and not working with both Debian and Ubuntu Linux? How can I fix this problem and make sure 82801G ICH7 chipset based sound card work on a Linux?

This problem can be fixed using any one of the following method on a Linux operating system. This is related Intel HDA driver called snd-hda-intel. If you use the latest kernel this problem may not occur at all.[donotprint]

Tutorial details
Difficulty level	Easy
Root privileges	Yes
Requirements	None
Est. reading time	2m

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Update alsa-base file

First, open a terminal window or Terminal app.

Edit /etc/modprobe.d/alsa-base, enter:

sudo nano /etc/modprobe.d/alsa-base

OR

sudo vi /etc/modprobe.d/alsa-base

Append the following

Save and close the file. Reboot the box:

If you do not want to reboot the box, try the following two commands at shell prompt:

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