Dear Arafat, Please don't send several emails for the same topic. As you've send three several emails for replying the same email. Just use the "Reply" button to reply to this community.
By default Ubuntu should have automatically detect your built sound card. After unmuting did you increase the volume? How did you try to test the sound? Did you try by playing a mp3 song or did you try with the system sounds? For software installing process see this link <http://wp.me/pMz6Z-6O>. Install Startup Manager from Software Center to make Windows 7 default OS. -- অভ্রনীল ::: Ovroniil http://ovroniil.wordpress.com/ -- Ubuntu Bangladesh | http://ubuntu-bd.org [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bd
