how to restart nokia X? when it is suddenly switched off and not turning on

[Hiba__18]

my Nokia X was suddenly switched off while i was charging it... i unpin the charger..after some time i re plugged it but it's not turning on
what should i do??

 

[hang-the-9]

Try holding in the power button for about 30 seconds, then leave it plugged in overnight, try turning it on again. If it has a removable battery, reseat it. If that did not work, replace the battery. Try a different charger and/or cord.