Please install linux-alsa-driver-modules-$(uname -r) from ppa:ubuntu-audio-dev (https://wiki.ubuntu.com/Audio/InstallingLinuxAlsaDriverModules) and reboot.
Please install linux-alsa- driver- modules- $(uname -r) from ppa:ubuntu- audio-dev (https:/ /wiki.ubuntu. com/Audio/ InstallingLinux AlsaDriverModul es) and reboot.