Inspiron 16 5630 DOESN'T TURN ON

Hi everyone, 

First, I would like to mention that I bought this laptop 1,5-2 years ago for 800£, and now it doesn't turn on at all. And, I can't get any help because my warranty ended half a year ago. 

The laptop wasn't plugged into the charger, and I was not doing any activity that required high spec. It just shut down with an electrical noise.

I've tried literally everything;

Power drain / BIOS reset by unplugging the charger, battery, CMOS battery and pressing the power button for 60 secs.

Tried different outlets, chargers and cables

Checked the charger LED for a short circuit possibility

No lights, no fan spin, no keyboard backlight, no sounds. Nothing at all.

I don't know what to do at this point, please help.

Thank you