Okay, I was playing Blood Bowl Legendary edition and I had to restart the computer.  So I went into the task manager shut down BB.  Then I clicked restart my computer.  Sound and everything was fine.  Since restarting it (several times now) I have no audio.  My troublshooter says "one or more audio service isn't running".  When I unplug and plug back in the speakers I hear the popping sound you get when you plug in speakers. 

I've run Device manager, and it says all my audio cards are working properly.  Realtek HD audio, HD audio device, & (x4) Nvidia HD audio.  I've run microsoft fix it, troubleshooter, and restarted it about 5 times, but I still can't get my audio to return, keeps telling me "one or more audio service isn't running.  PLEASE HELP!!

I have an Inspirion 580, i5, running Windows 7.   Please let me know if you need more info to help.  Thank you.