New PC shuts down after 1-2 minutes

[xChristopher]

I just built my new computer, all of the components are new. But when I am trying to log in or am on the BIOS menu it just shuts off with no warning.

Pleasasses help

 

[Jester Maroc]

I need to ask, did you apply thermal paste to the CPU?

Also, please share the PC specs:

CPU: ??
MB: ??
RAM: ??
GPU: ??
Storage: ??
PSU: ??