Weird pin in motherboard cpu socket

Poseidon5001

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Jun 20, 2014
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Hi, I have recently put out many posts due to a repetitive boot failure, and I tried everything, then I checked the motherboard cpu socket. I saw this
20140830_145824.jpg

It is more to the left, its not exactly a dot, kind of a line

Does anyone know what that is?

Also, my mother board is gigabyte gaming 5 atx z97x
Cpu is i7 4790k

Also the problem is, when I press the on button first try it turns off in under 5 secs, second it turns off after 1 beep, short

So, my questions are, what is that dot, could it be the cause of the problem

Thanks