Question Please help my pc boot loop

[Superfirefist]

Hello guys so one day i was working with my pc until it got night so i turned it off normaly and went to sleep next day i turned on my pc it worked fine but in like 15-30min it shutdown with no warnings just if the electrecity went down (but it didnt) then i tryed to turn it on again but it started the boot loop sometimes its just boot loops sometime it works for 15 min but no display sometimes after i leave the pc with no electrecity for like more than 2 hours it works then shutdown just like i said i tryed reseting the bios but nothing itryed reinstalling the rams and it didnt work ps: in that night i played with the boot settings but i dont think it is

 

[Zoel.fahmi]

Check your PSU, I suspect that's the problem

 

[Superfirefist]

Check your PSU, I suspect that's the problem

I did its working fine
If it was the psu it wouldnt spin for like 30min without the bios popping up