I have Toshiba P100, with the same Conexant. Mute and unmute, sudo alsa force-reload, add "options snd-hda-intel model=toshiba" to alsa- base.conf and delete ~/.pulse do not work for me.
** Changed in: alsa-driver (Ubuntu) Status: Incomplete => Confirmed -- Toshiba Conexant CX20551 (Waikiki) HDA-Intel No Sound After Suspend https://bugs.launchpad.net/bugs/590502 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs