Question Strange Reboot on Gaming PC

[MiguelAngelEC]

Hey guys so I build my own pc gamer but I don't know why it reboots.. it doesn't show anything like a blue page of windows , or something like that , it just turn off and then turn on

Here are the specs of my pc loaded with CPU-Z

https://valid.x86.fr/z9rv5v?fbclid=IwAR1OOI-YHKCRjyVmZoZBR78Sx1LBT08LJa-K0FnOZXTfxQWogIvwiPHufpA

I try with msi afterburner increasing the gpu speed fan and too with the software speedfan put it on automatic

specs that are not on the webpage
-corsair H75 liquid cooling
-corsair CX750M

already trying too loading deafult settings on the bios

it's my first time building a pc , but please can someone help I just want it too work properly

 

[Mooons]

What are your idle and gaming temps?

 

[Gerald6049]

do they reboot randomly ? or just when you running a specific program ?