i7 4790K temp issues

Guest · Dec 20, 2017

Hey, I have recently been having some temperature issues with my i7 4790k and need some help to come to a conclusion on how I should fix it.

Running the CPU at stock speeds with Hyper 212 Cooler in a Fractal Design Define C

My first concern is that I am getting 100 degrees celsius at 100% cpu usage. I thought possibly it could be my case due to it being smaller than what I previously had (Corsair 450D).

The second speculation I have is that the GPU heat is affecting my CPU temps due to it being right under the cpu cooler. When I was running stress tests, stressing the GPU and CPU my temps were hitting 100 degrees but when just gonna the CPU stress test I will only get 70 degrees.

Third concern is the thermal paste I am using (Arctic Silver MX-4) and due to the CPU being 3 years old the thermal paste under the IHS being hard and no longer effective. I was thinking about delidding my CPU and replacing the thermal paste.

Need some help and knowledge from someone that knows more than me!

Mark RM · Dec 20, 2017

If you remove the side panel from your case does the temperature drop? have you replaced the thermal paste between the IHS and the cooler? have you checked for good contact between the cooler and the IHS?

macmuchmore · Dec 20, 2017

I would NOT de-lid your CPU. Just reinstall the Hyper 212 with new thermal paste. That should do the trick. Just remember to only use a tiny amount of paste.

geofelt · Dec 20, 2017

What is your graphics card?

Any cooler or graphics card needs a good source of fresh air to do it's cooling job properly.
If you are only using the supplied stock fans, I would relocate the rear 120mm fan to the front to increase intake.
Whatever air that comes in the front will exit SOMEWHERE, taking cpu and gpu heat with it.

I think it more likely that the cooler has come loose or is unevenly screwed down.
The paste is excellent; time, I think to remount the cooler.

aquielisunari · Dec 20, 2017

I agree that a re-install of the 212 is most likely going to be enough. Odd that it may have shifted. My 4690K's been under a 212 Evo for a couple years now and it's at 26C in a 70C room. It tops out below 70C during gaming. At 100% load it touches 81 momentarily but generally hangs out at 79C.

Guest · Dec 20, 2017

macmuchmore :

Just did that today man

Guest · Dec 20, 2017

geofelt :

GPU is GTX 770 4GB Windforce, planning to get 1080

aquielisunari · Dec 20, 2017

That is information you need to offer in your original question. Which troubleshooting steps have you tried? A full reinstall qualifies as a troubleshooting step and is obviously relevant.

No, your GFX card shouldn't affect your CPU that much. No clue which card you have. Another piece of info that should be included in your original post. All of your components should be included in the original post.

Guest · Dec 20, 2017

aquielisunari :

That is information you need to offer in your original question. Which troubleshooting steps have you tried? A full reinstall qualifies as a troubleshooting step and is obviously relevant.

No, your GFX card shouldn't affect your CPU that much. No clue which card you have. Another piece of info that should be included in your original post. All of your components should be included in the original post.

Included in one of my replies

Guest · Dec 20, 2017

geofelt :

I have 2 front 140mm fans, 1 top 120mm fan and 1 back 120mm fan.

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