CPU Reaches 95c in game, not sure why

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cstoney2

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May 2, 2016
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Whenever I open any game on my PC, or even just a few chrome tabs, my PC quickly heats up to 95 Celsius and throttles back, giving me terrible performance. After searching through some other posts, I've been unable to find a fix.

Some quick info:

I have a corsair water cooler (One of the all-in-one type), which seems to do it's job, as I can feel one tube become very hot while the other isn't.

I've recently reapplied thermal paste to the CPU and cooler, following other posts and ensuring to remove all the previous paste, so I doubt this is the issue.

The whole computer is a couple of years old, and this has never been an issue until this week, so I'm wondering if it's a problem with the CPU, the Water-Cooler or even if it's just bad temperature sensors.

Sorry for rambling on, and I appreciate any help I get.

I don't know what kind of information to include about the PC so if you need to know something ask and I'll reply soon. Thanks



 
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InvalidError

Towers may lack the fancy of liquid cooling but there is no substitute for the nearly bulletproof reliability of a simple lump of copper with a stack of aluminum fins on top.
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Brandon-

Brandon-

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Aug 1, 2015
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Is your case airflow good? And could you monitor your temps with CPU-Z? http://www.cpuid.com/softwares/cpu-z.html
 
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cstoney2

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May 2, 2016
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Been running with half of the case removed since it began over heating, and I had already been monitoring my temps with MSI Afterburner and Speedfan, both saying 95 celcius

 
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InvalidError

InvalidError

Titan
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May 18, 2007
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If it is an Intel CPU, there is one "sensor" for each core and if all the cores agree that the temperature is 90ish, then it most likely is.

When the temperature sensor in AMD's chips go bonkers, they usually report sub-zero temperatures or impossible temperatures like 150+C. If the CPU is reporting 95C and throttling, there is a fairly good probability that it really is at ~95C.

Are you sure that the CPU block is correctly seated, that you plugged the pump back in, that the pump still works, that the liquid loop still has liquid in it, that bubbles have been purged from the CPU block and hoses, that the reservoir/radiator is full, etc? If the CPU gets to 95C yet air from the radiator is barely lukewarm, at least one of those things has gone wrong.
 
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cstoney2

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May 2, 2016
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As far as I can tell It's is mounted correctly, it's tightly screwed in above the CPU, level all around, so I would assume that it is mounted well, although I'm sure you would know better than me if that is the case.

Idle is between 50c-55c, ambient is about 25c
 
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cstoney2

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May 2, 2016
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After reading this, it does seem to be one of these things, as the radiator isn't nearly as warm as it should be imo.
If it is the one of these things that have gone wrong, how could I narrow done the possibilities or find out which of these things it is exactly?


 
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littleleo

Splendid
May 8, 2009
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I might have missed it but what are your specs?

95c is very hot It sound like something is definitely wrong with the set up. I think Invalid did a good job covering all the places to check and what to look for. Again check to make sure the CPU block is making a good firm contact and there is no movement or wiggle. Be sure the radiator fan has a clear vent and no obstruction. I have never seen it happen but be sure you have no crimp in any of the hoses. Be sure you have good airflow thru the case. Intake on the front and outtake on the back and/or top. Having the case open may disrupt the air flow thru the case. Be sure all the case vents are clean & clear and you having nothing blocking the air flow in or out of your case.
 
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cstoney2

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May 2, 2016
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After closer inspection, I found that the front fan (That I assume was the intake fan) had actually caught on something and wasn't spinning, I have no idea when this happened, but could the intake fan being busted cause so much heat for the cpu?

I've got an Intel Core i7 4820K

Not really sure what else to include for specs, not even sure the exact name of the water cooler I have

 
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Sergeant_Sneaky

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Mar 25, 2015
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I would have to say no to that one, especially as your radiator seems cold, which would suggest either an issue with the pump or bad contact between the CPU and the cooler.
 
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cstoney2

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May 2, 2016
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I wan't able to get the front intake fan going again, but I don't think that that was what caused my cpu to begin overheating recently, as other replies have pointed out it seems to be something wrong with my cooler
 
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cstoney2

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May 2, 2016
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That's what I was thinking, however I'm certain that the contact between the CPU and the cooler isn't the issue, and as far as the pump goes, I can feel one of the two tubes heat up as the CPU does, and the other stays the same, which made me believe that the pump was working (unless this happens when the pump isn't working). I just don't understand how the pump appears to be working, as far as I can tell, but the radiator isn't radiating.
 
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Sergeant_Sneaky

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Mar 25, 2015
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I would try reapplying the thermal paste and reseating the cooler and see if that helps but it could be an issue with the pump. Can you hear anything that would suggest the pump is actually functioning? I believe the pumps are meant to be set to full speed? I may be wrong but that's what I've read.
 
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cstoney2

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May 2, 2016
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If I can't get it sorted out with the one I have, then I guess a new cooling system will be needed, however I would like to try all of the possibilities before getting a new one.
If it does come to that, how much would a decent to high end cooler set me back?
 
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cstoney2

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May 2, 2016
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I've already reapplied thermal paste, following guide from some other posts and online guides, so I'm fairly certain that that isn't the issue.
As for the pump itself, I'm not sure if what I hear is the pump or just the sound of the fans, so I'm not really sure if it is pumping or not (though as I mentioned earlier, one tube does get hot relative to the heat of the CPU, while the other stays relatively the same, so I'm not sure if this means it is pumping or not)
 
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cstoney2

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May 2, 2016
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Still haven't given up on finding a solution to whatever problem my current cooler has, but it's never too early to start shopping for a new one

My case is a NZXT Source 530 CA-SO530-M1, and it seems to have a pretty decent amount of space for a new water cooler or heatsink

 
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InvalidError

InvalidError

Titan
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May 18, 2007
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If the pump is disconnected, stuck or dead, it is also possible that the return hose is warming up simply due to natural convection through the liquid loop - there is enough flow to warm up the tube but not really move any significant amount of heat away from the CPU or warm up the radiator.
 
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cbag

cbag

Distinguished
Dec 11, 2011
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18,810
Is it really hot where you live?

Blow out the radiator w/ air. Maybe it's full of dust. Honestly your idle temps are really, really high and make no sense. It sounds like your pump is dead.

I have a 3570k on a hyper 212+ and it idles around 25c. Full stress @ 45c. Stock clocks so the idle is at 1.6ghz. I oc'd last night to 4.1 ghz stock volts and the 45c still held.

I would highly recommend the hyper 212 evo man.
 
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cstoney2

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May 2, 2016
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1,510
Took it into a shop a couple days ago where they confirmed that the pump had died, so I bought a Hyper 212 evo, and my temps are now idling at 23c. Thanks to all of you guys who helped me out
 
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