So this should fix the sound disappearing problem that some people might be experiencing. It happens usually when you insert/remove headphones but sometimes seemingly at random.
1) Curse at Dell and Linux
2) sudo alsactl kill quit
3) Curse at Dell and Linux some more
4) alsactl restore 0
5) Intimidate your laptop by saying what a nice cutting board it would make once your new Mac or Surface arrives.
6) Work for a few hours in peace, then go to step 1
Now you have sound.
1) Curse at Dell and Linux
2) sudo alsactl kill quit
3) Curse at Dell and Linux some more
4) alsactl restore 0
5) Intimidate your laptop by saying what a nice cutting board it would make once your new Mac or Surface arrives.
6) Work for a few hours in peace, then go to step 1
Now you have sound.
