Hi Raymond, The good command is :
echo "1" |sudo tee --append /sys/module/snd_hda_codec/parameters/dump_coef You can find the alsa-info result attached to this post ** Attachment added: "alsa-info_20151009.txt" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1451170/+attachment/4490127/+files/alsa-info_20151009.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1451170 Title: [ ASUS N550LF , Realtek ALC668, Speaker, Internal] To much sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1451170/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
