Motherboard killed cpu?

Nigro

Commendable
Oct 30, 2016
3
0
1,510
Hi, I'm pretty new at building computers, and a couple of weeks ago I built a new pc, the specs are:

CPU: Intel i5 6600k
CPU Cooler: Hyper 212 EVO
Motherboard: ASUS Z170 pro
Videocard: Radeon R9 290 Tri-x
RAM: DDR4 Corsair vengeance led 3000mhz
PSU: EVGA Supernova g2 750w 80plus gold
CASE: Phantek p400

The assembly was super easy, everything was working properly, ran some tests, played games, everything was happiness and love. So yesterday I decided to overclock It.

I was able to get an 4.5Ghz at 1.225v, ran an hour long prime95 with no problems with a max temp of 80°C. So I decided to call It a day and just started playing a few games (Squad, Battlefield 1, The Division) without any problem.

Today my little brother was playing some flash games on the browser and suddenly It shut down. When I tried to turn on again the pc wont POST, upon a closer inspection, I get a solid red light on cpu led and green on Power led, the cpu Cooler and cpu fans starts spinning but thats it.

I was afraid that i bent some pins on the cpu when I first intalled It but i took off the cpu and everything is good. So I don't know if the problem is the CPU or the Motherboard.

How can I pinpoint what is the problem?

Thanks in advance


UPDATE:

I was able to test everything in a friend's house and confirmed the cpu was the problem. It's totally dead. The motherboard was working good with his 6600k

But I don't know how it happened. the voltage wasn't that high, temperatures were ok, so I'm confused

When I was disassembling the cooler I noticed that in the "feet" on one of the mounting screws was missing a rubber part, and it sort of scratched the motherboard

Photo of the missing rubber:
http://imgur.com/v7gmgt1
v7gmgt1


Photo of the scratch:
http://imgur.com/20uXcTa
20uXcTa


Will that make any problem?

Other thing I realize now, when I was testing the stability, and voltage was manually set at 1.225v, some times in hwmonitor the cpu voltages said 1.3v or 1.29v. Can be posible that the motherboard was sending wrong voltages to cpu and killed it??