My laptop won’t turn on GATEWAY NV52L15u

I’ve had the laptop for over 5years and I’ve never had an issue with it before. I was in the middle of using my laptop when it shut down. I thought my battery just died so charged it right away and when I pressed the power button, it didn’t turn on at all like it normally does when it’s on the charger. I’ve tried letting it charge for 30mins and turning it back on but still got nothing. I’ve Had the charger on (with the battery out) and it’s still not turning on. I’ve also tried taking out the battery and the charger and holding down the power button for 15secs before putting the charger back on and still, my laptop will not turn on. Please help?