Dell inspiron 15 3000 series not working

Registration date
Saturday June 10, 2017
Last seen
June 10, 2017
I have a dell inspiron 15 3000 series laptop . Some days before the battery died so I started using it on normal power . it worked fine till today morning but from the eve it is not starting up when I enter my pin the welcome loading signs goes on n on n after a while the screen turns black n then it switches off. I have tried trouble shoot n safe mode options but nothing is seen working plz help .