Temperature of CPU cores 90-99C! This must be causing the lag, how to reduce temperatures?

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Lethem

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Jan 14, 2014
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Ok since I have pretty much diagnosed the lag on my PC down to this, the cores are overheating this is causing the throttling of the CPUs meaning lag (I assume). Furthermore, the speeds of my PC seem to be reasonably fast after starting up from a whole night to cool down, so I can only assume it is because it is not as hot yet for the CPU to throttle.
[Just thought I would add a background idea of what is going on]

Here's an image using the software HWInfo (incase future readers need this to diagnose, click on sensors to see CPU temps)
Po56Aol.png


So anyway, since this is the most probable issue to the lag how do I resolve this?

I am assuming buying a better heatsink for my CPU (i5 4440 - 4 core) which is currently using the default intel one
I believe I would need thermal paste or whatever it's called as well?

Would this all be correct to bring the temperature of a CPU down to normal temperatures so it won't throttle and cause any more lag?

But since opening the side, I noticed the two side fans seem to turn on and off automatically probably controlled by the temperature, should I see if I can get them to run all the time?

Thank you for taking the time to read, Lethem
 
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A
Wow! You are literally killing your CPU! A good heat sink properly installed should drop you considerably. Perhaps your current one came loose and is no longer properly installed. Check and reseat that one first.
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InfurnoHD

InfurnoHD

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Aug 14, 2015
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First of all, check for any dust or dirt on the fans that can slow them down.

You haven't overclocked the CPU?

Was the CPU under VERY heavy load while these temps appeared or at idle?

You can buy a new heatsink yes and you can buy new thermal paste. But that shouldn't be necessary.

But incase you want to heres a good heatsink: http://www.amazon.com/Cooler-Master-Hyper-212-RR-212E-20PK-R2/dp/B005O65JXI
and thermal paste: http://www.amazon.com/Arctic-Silver-High-Density-Polysynthetic-Compound/dp/B000OGX5AM/ref=sr_1_1?s=electronics&ie=UTF8&qid=1445173089&sr=1-1&keywords=thermal+paste
 
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arossetti

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Feb 22, 2013
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Wow! You are literally killing your CPU! A good heat sink properly installed should drop you considerably. Perhaps your current one came loose and is no longer properly installed. Check and reseat that one first.
 
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Lethem

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Jan 14, 2014
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@Infurno (First reply) Nope no heavy load, steam login open internet with 5 tabs (chrome), paint (the screenshot), hwinfo - :/ ha. Thank you for the suggestions. And no I havent overclocked my CPU what-so-ever, ill check for dirt as well now..
@Arossetti I will check now, how would you know whether it is properly installed? I'll turn off my pc and check now maybe ill get an image
 
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Lethem

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Jan 14, 2014
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Ok, so the solution was reseating the CPU cooler which has brought down temperatures dramatically. Really it's a joke how it's working now and it wasn't before. I checked it in its case when my computer was on and it was plugged in properly etc and running. I just rotated the cooler around 90degrees and it has fixed it..
Task manager showed CPU on around 10-17% now its around 4% that was when it was throttled as well...
CPU idling around 40-45c now, also no more lag.

Thanks for the help if this problem persists I will be purchasing a new cooler and thermal paste.. all of which are cheap garbage atm
 
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Y0GI

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Jul 22, 2013
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45*C. while idling is pretty warm. What are you seeing when heavily loaded? Max should not exceed 80*C. under normal full load or 90*C. during stress testing, like Prime95 ver 26.6.

Yogi

 
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arossetti

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Feb 22, 2013
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Open the case and make sure the heat sink is firmly connected to the mobo on all corners.
 
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