Please check same bug with Acer Aspire 8943G laptop: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/656625 (probably same easy fix can be applied for this laptop).
-- [Lenovo IdeaPad Y550] Subwoofer don't mute/unmute on plugging external acoustics https://bugs.launchpad.net/bugs/611803 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
