i7-4770k Suddenly Running Hot - Advice?

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bradnyk

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Jul 26, 2009
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Hey all,

I have a i7-4770k with Asus Z87-Pro motherboard and Noctua NH-D14 fan, as well as 6 other case fans (2x120mm intake at the front, 2x140mm exhaust up top, 1x200mm side intake, and 1x140mm exhaust at the back). Until today, it was running at 27C idle and 56C at full load, not overclocked, and 32C idle at 4.8Ghz (stable), using AI Suite's software overclocking. (Temp reads are from RealTemp.) Today, I had to uninstall AI Suite to install a Logitech webcam -- the webcam for whatever reason won't work with AI Suite installed. Since uninstalling, I'm back to the stock CPU config (no overclocking), but my temps are significantly higher. Now, at idle I am at 36C and 83C at full load.

I tried reapplying thermal paste and reseating the heatsink, but the numbers are essentially the same. It also doesn't seem to matter what speed the CPU fans are running at -- at most, I get the temps down 1 degree by running them at full speed.

I figured maybe AI Suite's fan configuration had some magical power, but when I try to reinstall AI Suite, I now get an error and the installer won't run. Probably not a bad thing, given that I've heard to avoid AI Suite and other software-based OC solutions anyway. But now I'm stuck with a CPU running much hotter than it was yesterday, and I'm confused about why and if I can resolve it.

Any thoughts?

Thanks!

Brad

 
Solution
Immaculate
Well all I can really say, your stock clocks aren't on the 4.8OC voltage?

I my coldest core is at 31C,hottest at idle is 35-38 thats with i5-4670K, CM 212EVO+Paste. Fractal R4 1 Intake/ 1 Exhaust. Underclocked/Undervolted to 3.6Ghz.
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Immaculate

Immaculate

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Well all I can really say, your stock clocks aren't on the 4.8OC voltage?

I my coldest core is at 31C,hottest at idle is 35-38 thats with i5-4670K, CM 212EVO+Paste. Fractal R4 1 Intake/ 1 Exhaust. Underclocked/Undervolted to 3.6Ghz.
 
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Solution
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bradnyk

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Jul 26, 2009
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Ok, so I reseated the heatsink again and managed to reinstall AI Suite and did its automatic overclocking and fan speed control again. Now I'm at 4.6Ghz 33C idle 86C load. I actually am happy with this even though it's not as good as what I had yesterday... my question is whether the 86C load is too high. If I bring it down to 4.4Ghz, I get the same idle temp of 33C, but load is 77C. This is using Prime95, which I think is overkill. Just trying to find the right balance. Thanks for your help.
 
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Hugh is daft

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Nov 17, 2013
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Hmmm this is quite close to the problem that has just started occurring with my 4770k
I was running @4.4ghz ... ai suite software overclocking too, temps where mid 30's @ idle, now after having to reseat and reply thermal paste (have done this more then 5 times to see if temps would change) but I am stuck @ ~45 on idle however the load temps are the same or better then before....
 
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Immaculate

Immaculate

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Use the credit card method for applying thermal paste. If your using the stock heatsink, get something better. Run a stress test to cure the paste. Use as little paste as possible, metal on metal has best heat dissipation but since there is a chance for air pockets you must use paste to fill in the very small pockets using the thinnest layer possible.
Adjust voltage to FIXED and use the lowest setting your system can run stable.
 
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