I have this problem also (speaker icon randomly appearing muted when changing volume level). lspci says I'm using this soundcard:
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
It's a built-in soundcard. Please let me know if you want more info from me.
I have this problem also (speaker icon randomly appearing muted when changing volume level). lspci says I'm using this soundcard:
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
It's a built-in soundcard. Please let me know if you want more info from me.