CPU overheating despite multiple cooling systems

Jul 21, 2018
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Hello. I'm hoping to find a solution to this problems as I've tried a number of fixes on my own without success. My CPU is having an overheat issue that I haven't been able to solve, even with searching up possible causes and doing some things on my own.

My CPU will overheat immediately upon windows booting up. I've checked the core temperatures upon sitting idle and they range between 60-70 C with some increases up to 80 C, and once I start any application this immediately jumps to 95+ and begins to throttle. I've noticed some overheating issues for a little while now, in the past I'd get a random overheat error maybe once every few months from my BIOS, but for a while I've noticed my core temperatures were pretty high but never experienced any throttling. I typically use my PC for gaming, but I also prefer to play on lower settings so I'm never pushing my system to its limits. I also never overclocked my CPU heavily.

I've tried a number of fixes on my own and nothing has worked yet. I first applied new thermal paste as it's been a few years since I last did it and know that it will dry out eventually and can cause issues. Applying new paste did nothing (and yes I did clean off the old paste appropriately and applied new paste properly making a small dot and letting the waterblock spread on its own). I then replaced my liquid cooling system thinking the pump or radiator could have stopped working, but even with a new liquid cooling system the problem still exists. I've then tested my new liquid cooling system in a friends' PC and it was working perfectly fine, so I know that itself is working. I then attempted to boot into my other hard drive (I have a separate version of Windows on an older HDD that I haven't used in a couple of years) to eliminate the possibility of my SSD being infected with any sort of virus that might be secretly running an application that would stress my CPU, but the same overheat issue occurs. I've also gone through my BIOS to double check my CPU settings and assure that it's set to the default stock speeds/voltage with no overclocking.

I'm just trying to figure out any further possibilities at this point before turning towards just replacing the motherboard and CPU itself. All of the "common sense" solutions I could think of (new paste, new liquid cooling system and tested on another PC to ensure it works properly, etc.) have not worked so I'm not sure where this leads me.

My CPU: Intel i7 2700k
Motherboard: ASUS P8P67
Power Supply: AX1200
Liquid Cooling: Old system was an Antec Kuhler H2O 920, this new one is one I got off amazon
 
Solution
First off, use a stock or another air cooler. We can't be sure the liquid cooler is doing its job properly on YOUR system. Air cooler is always used for testing purposes. Also, uninstall any Auto OC software you might have like Ai Suite 3. Then reset your bios.
Idle temps on a healthy system should be 30-45c.

Now, how about installing Your CPU on another system to rule out it's not faulty.
And installing another CPU on your system to rule out your motherboard is not faulty.

zebarjadi.raouf

Commendable
Jul 10, 2018
862
2
1,310
First off, use a stock or another air cooler. We can't be sure the liquid cooler is doing its job properly on YOUR system. Air cooler is always used for testing purposes. Also, uninstall any Auto OC software you might have like Ai Suite 3. Then reset your bios.
Idle temps on a healthy system should be 30-45c.

Now, how about installing Your CPU on another system to rule out it's not faulty.
And installing another CPU on your system to rule out your motherboard is not faulty.
 
Solution