BSOD randomly, and the computer wont turn on

hi, im getting a BSOD recently, and it always happens while i'm using my computer (browsing, watching movies) after that the computer wont turn on (but you can hear the sounds of the cpu and the fan is working). sometimes the computer also works after the BSOD. its unpredictable. i dont have the crash report because it only pops up after the automatic restart of the BSOD but i do have the...