How to Factory reset nexus Q
* First unplug the Nexus Q, then plug it in again.
* Quickly place your palm over the single LED on top for about 10 seconds until the ring LED stops flashing red and starts circling blue. If the LED turns solid red, you have to unplug and plug the Q to start again.
* When the ring LED pulses purple to indicate, it means that it is wiping all data and setting. If the Nexus Q display a rotating blue spot, finally the reset is complete.