Re: My nokia lumia 920 just died for no reason and now will not switch back on!!!
You have a couple of choices.. first try holding down all 3 buttons together of > volume down, power button and camera button for a minute or 2 and try this a few times now. I also read you could try it with your USB lead plug-in to a power on pc while try the first option. If that fails there the Nokia software recovery suite.