Why Dell Inspiron is not turning on?Help!

Hi guys, I have Dell Inspiron n5110 which suddenly stopped working I mean it was stuck so what I did is wait for sometime for it to respond but it did not respond even after 30 minutes so I unplugged it directly I had no other choice.Then later I plugged it again and tried to open it but the turn on button does not work yes its not turning on 🙁 I don't know what went wrong please help me how to turn on my Dell PC I have my project works to submit soon please help me
