Question Pc Restarts

[GamerBoy88]

My Pc Restarts While Only Launching A Game Or SomeTime Game Open For 5 minutes and like 30 minutes
then my pc restarts
otherwise i use google chrome for a day never restarts
Tell Me Which Component In Causing The Problem plzzzz
I Recently Build My Pc

 

[DSzymborski]

Let's get complete specs including exact PSU model.