No sound after restarting, please help!

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http://crunchbang.org – Hi, you guys:I need help, after restarting, my Waldof just went mute, no sound at all; and I am sure that before the reboot, I didn't do anything (upgrading or interfering in the system). I have already tried these things:1.  purge these pakages: alsa-utils; alsa-oss; pulseaudio; vlc-plugin-pulse and even vlc - but I thing vlc did not cause the problem because Mplayer has no sound as well. Then I reinstalled them and nothing improved - since I installed Waldorf, I have encounted some audio prolems and all of them have just been solved by purging then reinstalling all these sound rela (HowTos)