Hi!, I have the same computer model, and activate the "headset mic" in alsamixer fix the problem (sorry for my English).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1555568 Title: [Inspiron 11 - 3147, Realtek ALC3234, Speaker, Internal] Has constant cracking sound, even when idel (no media playback). Muting and unmuting the sound seems to help for around half a minute... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1555568/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs