System Boots and Shuts Down

I have a system that I just built and I'm stuck as I am unable to identify the problem but I am virtually certain it is a faulty component, either the motherboard or the CPU, I'm just not able to figure out how to determine which is bad.

The specs:
Motherboard: Gigabyte GA-H77N-WIFI
CPU: Intel i3-2100T with stock low profile cooler
Memory: G.SKILL F3-10600CL9D-4GBPK (2x 2GB DDR3 1333)
PSU: 250w PSU that comes with the APEX MI-008 case
Drives: 1x ASUS BD-ROM, 1x Crucial 64GB SSD, 1x WD 5200rpm 750GB 2.5" hard drive
GPU: No external video, using CPU on-board video (Intel HD2000)

What's happen:

So now I am unsure what to try next. I've come to the conclusion that either the Motherboard or the CPU is faulty. The CPU came from another system and was working then, and the motherboard is brand new. Given the fact that it is/was a good CPU, it seems more likely that it is the motherboard.

So I have 2 questions:
1 answer Last reply
More about system boots shuts
  1. try these steps :

    and a good way to determine a faulty component is either tryin it on another computer or tryin for example if its a gpu try one u know is working for sure and see what happens
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