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Is my H115i dying?

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Posted · Original PosterOP

So I've had a Corsair H115i 280mm for about 2 years now cooling my i7 6700k. I don't know what is causing the cooler not to work correctly. When on load the CPU reaches 100 Celsius and rad itself about 60, but the fans are running at max speed.



Firstly, does anybody know if the whole radiator is intended to heat up, because i can only feel heat at the beginning of the rad, the area where the warm flow of water is coming into the rad to circulate and then has to return to the CPU. The rest, about 70% of the rad is not warm at all. And i mean its gets REALLY hot at that 30ish% area.

Could the water in the cooler be blocked by something? Or what can it be because I've had it with the sh*tty rad. I'm almost on the point of just buying a new one. I'm really frustrated.




A few other things that I've made sure of:

I have checked the mount, it is properly fastened.

Thermal paste is of good quality and there is enough on.

All cables are connected. Pump is running on max RPM and fans.


What can I do?


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5 minutes ago, hotcoolfool11 said:


Just grab a $20 120mm air cooler and send in the 115 under warranty?


or a $40 neptwin if you intend to sell the 115 after getting it replaced

I edit my posts a lot, Twitter is @LordStreetguru just don't ask PC questions there mostly...



What is your budget/country for your new PC?


what monitor resolution/refresh rate?


What games or other software do you need to run?



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Your problem could be the pump. Can you touch the tubes and see if you feel water flowing? 


But generally yes, the radiator should be hot where the water goes in and noticeably cooler where it exists again, because that's what It is for. 

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Posted · Original PosterOP

Yes can confirm the one tube is very hot and the other relatively cool.



So I've resorted in bumping the rad several times and its seems the CPU temp dipped instantly! Its at about 71 celsius now running the aida64 CPU,FPU  stress test. Imma keep hitting it seems to be working ? But yeah wtf?? The temps dropped almost instantaneously while stress testing!? 


Also feels like more of the rad is being warmed up. Very wierd, Could've have been a  airbubble?

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1 hour ago, hotcoolfool11 said:

Yes can confirm the one tube is very hot and the other relatively cool.

Clogged pump or tubes


1 hour ago, hotcoolfool11 said:

Imma keep hitting it seems to be working



Where is the radiator mounted in the case?

Is it higher or lower than the CPU block?


I tend to reply with memes because I lack social skills and don't know how to express myself correctly.

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