My Nokia Lumia has shut down completely-how to fix?

[WPCentral Question]

The icons stopped responding,and it went off,how can I get it back on?

 

[xandros9]

Re: My Nokia lumina has shut down completely.

first step: press and hold power + volume down for 15 seconds or until it vibrates

also make sure the phone's charged if it doesn't seem to do anything.