Q.  iPod or iPhone not recognized.
A.  Remove the case, Make sure the iPod is properly inserted on the docking
      station Make sure you are using the proper universal dock for your iPod
      or iPhone

Q.  No Power
A.  Make sure the AC cord if properly connected to the unit and to the
      power outlet.

Q.  No buttons work
A.  Disconnect the unit from the power outlet and reconnect it