CPU Overheating with H100i V2

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Darkvillan

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Sep 15, 2015
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Woke up yesterday to loud fans and a CPU temp of almost 100c. Reseated everything, cleaned out case, still persisting, can't tell if water is running through the H100i or not, when going into bios nothing shows up for CPU_FAN speed. Specs are as follows.

I7 7700k - CPU
Asus z270f Strix - MB
H100i V2 - COOLER

Please help me diagnose this problem. Thank you!

 
Solution
photonboy
PUMP.
It absolutely can't be the paste as paste degrades over a period of YEARS. That only makes sense if you had changed the cooler and this was the very FIRST TIME you started it.

It's obviously not the fans since you can HEAR THEM so that only leaves the pump or power to the pump (unlikely).

I'm fairly certain pumps NEVER POWER OFF (with the PC on) so there should be no type of glitch that accidentally turns off the pump. Thus it's dying or dead AFAIK.

Your cooler or motherboard (depending on what fans are attached to) has spun the radiator fans up to maximum since it's temperature based, but without good liquid flow you can't cool well enough.

*Get a cheap fan while you RMA the cooler or if your warranty is up just get a new AIO...
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R4DIO4CT1VE

R4DIO4CT1VE

Honorable
Feb 1, 2016
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I would be pretty willing to bet that the pump has gone out, or there is some issue with the motherboard communicating with the cooler.

Sounds like you already ready did this, but check and make sure everything is plugged where it should be and that there is no damage to any fan headers.
 
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photonboy

photonboy

Titan
Jun 20, 2006
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85,015
PUMP.
It absolutely can't be the paste as paste degrades over a period of YEARS. That only makes sense if you had changed the cooler and this was the very FIRST TIME you started it.

It's obviously not the fans since you can HEAR THEM so that only leaves the pump or power to the pump (unlikely).

I'm fairly certain pumps NEVER POWER OFF (with the PC on) so there should be no type of glitch that accidentally turns off the pump. Thus it's dying or dead AFAIK.

Your cooler or motherboard (depending on what fans are attached to) has spun the radiator fans up to maximum since it's temperature based, but without good liquid flow you can't cool well enough.

*Get a cheap fan while you RMA the cooler or if your warranty is up just get a new AIO or air cooler (this is the main reason I stick with air coolers).

Noctua NH-D15S is a great cooler though expensive (I assume you've overclocked). https://pcpartpicker.com/product/xCL7YJ/noctua-cpu-cooler-nhd15s
 
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