sudo alsa force-reload
Unloading ALSA sound driver modules: snd-usb-audio snd-usbmidi-lib snd-hda-codec-realtek snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-seq-midi snd-rawmidi snd-seq-midi-event snd-seq snd-timer snd-seq-device snd-page-alloc (failed: modules still loaded: snd-usb-audio snd-usbmidi-lib snd-hda-codec-realtek snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-rawmidi snd-timer snd-seq-device snd-page-alloc).
Loading ALSA sound driver modules: snd-usb-audio snd-usbmidi-lib snd-hda-codec-realtek snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-seq-midi snd-rawmidi snd-seq-midi-event snd-seq snd-timer snd-seq-device snd-page-alloc.