how do i lower the temps on my 2700k

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dnsigma69

Honorable
Dec 27, 2013
5
0
10,510
Hello all,

About a year and a half ago I built my first system and I love it. My idle temps are a very reasonable 19-22C, but the problem now is that I'm trying to push it harder than before (with some minor gaming) I'm getting core temps past 95C at load when I max out the graphics settings on Might&Magic Heroes 6. Why are these temps so high and what is the best way to get these temps down? Any suggestions are greatly appreciated, thanks.

Build is as follows:

i7 2700k cpu (not overclocked)
Asus P8Z77 V-LX
4x4gb corsair xms3 1333mhz 1.5v (factory timing)
Sapphire R7 260X
Thermaltake Water Performer 2.0
Kingwin 750W Max Power
MSI Interceptor Series Raptor Mid Tower Case
Win 7 Professional 64bit (Alienfire edition)
1 Optical drive, 1 OCZ Agility 3 60gb SSD, and 6 Seagate Barracuda 2-3TB Sata III HDD's
1 intake 120mm fan on front, 2 - 120mm fans in push/pull on radiator from water cooler,
1 on graphics card, and a stock 120mm psu fan
 
Solution
J
If you haven't done any overclocking and your voltages are stock, there's absolutely no reason to be modifying them. If you start mucking with them you could cause your PC become unstable.

I'm willing to bet your water pump is bad. If you have a different CPU cooler you should try it to verify.
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Jaime3d

Honorable
Dec 3, 2013
93
0
10,660
Wow, are you talking 95C on your CPU or on your video card GPU?

Even for that GPU 95C is pretty high, but not hugely abnormal. If it's your CPU temps we're talking about, 95C is really high and actually getting close to shutting down your PC. In fact, I'd say it's safe to say it's decreasing the life of your CPU if you run it at 95C for sustained periods of time.

Gaming is typically more GPU intensive, so it's typical to see your GPU temps go up, and CPU temps to stay relatively moderate. In my opinion, what you're seeing is very abnormal and indicates that something is wrong (that, or you're using the stock cooler and the stock cooler sucks way more than I could have imagined and/or bad airflow in your case).

I would first start off by making sure that the stock CPU cooler is on correctly. Maybe even buy some thermal grease and re-apply it to make sure you're getting good contact. What are your idle temps? Google around for operating temps for a 2700k and compare - if they seem abnormal that might point to an issue with your cooler not being applied correctly or poor airflow in your case.

If it does appear that the cooler is properly attached, it could be an airflow issue inside your PC. Do you have adequate ventilation? That GPU does get hot, and if you don't have enough airflow, your cooler might not be able to do it's job with all that hot air stuck in your case.

Make sure all of your fans are working properly and free of dust. The next step would be to get a new or better cooler. The best I've seen for the money is the Cooler Master Hyper 212. Good luck.
 
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dnsigma69

Honorable
Dec 27, 2013
5
0
10,510


So I disabled my onboard graphics so that only my discreet gpu was being used and still no love.
 
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dnsigma69

Honorable
Dec 27, 2013
5
0
10,510


The temp on my cpu is 95C+ when running a game with the graphics all maxxed, not on the gpu. I haven't played any game for an extended period of time when the temp is that high, so I'm pretty sure the cpu is fine. The idle temp is only 19-22C. In fact, before I started running games, I've never seen the temp go above 60C even when at 60-80% load for an extended period of time. I removed the stock hsf when I installed the water cooler as the pump is designed to mount directly to the cpu. I suppose I could try remounting it, but I don't think that's the issue either. All fans are clean and working fine as well. I've looked at CM 212's but I have to imagine that a water cooler would be a more dynamic solution. I guess I'll experiment with the issue of airflow... Any other suggestions?

 
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Jaime3d

Honorable
Dec 3, 2013
93
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10,660
Ahh, my mistake. I did not see you had a water cooler on it. There's no way your CPU should be reaching those temps with that cooler. Either it's not mounted correctly, or something is wrong with the pump. Airflow COULD still be the issue, but it's less likely.

Have you run any synthetic CPU torture tests? Intelburntest, or Prime95?
 
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Jaime3d

Honorable
Dec 3, 2013
93
0
10,660
If you haven't done any overclocking and your voltages are stock, there's absolutely no reason to be modifying them. If you start mucking with them you could cause your PC become unstable.

I'm willing to bet your water pump is bad. If you have a different CPU cooler you should try it to verify.
 
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Solution
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dnsigma69

Honorable
Dec 27, 2013
5
0
10,510


Well, it looks like you were right. I was just going to get some arctic silver and try reseating the pump, but I decided to try another closed loop system after reading the sticky here on watercooling. Turns out the pump on the one I had was garbage. New Corsair system is working like a charm!!! I suppose the lesson here is: don't max out your graphics with nothing cooling your cpu. Hahaha. Thanks for all your help!
 
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