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High CPU Temps (Noctua NH-D14) - Page 3

post #21 of 31
Quote:
Originally Posted by Soulicro View Post
Then... what do I do? Is it worth it to buy a new CPU? Are these temps safe to run with on a day to day basis?

I can't help but feel like I'm not getting my moneys worth, and its incredibly frustrating.
it looks like the temps are fine. they are high for an 80$ cooler, i would expect it to be alot cooler. cuz i get the same temps with my A70.
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post #22 of 31
Quote:
Originally Posted by Soulicro View Post
I've played around a bit...

First, I've re-seated the Noctua. Used a small rice-grain amount of TIM. With the computer on its side and the side-doors closed, I was getting 35C idle and 55C load. I loaded up furmark to test the CPU and the GPUs together, and the CPU was at 60C. The GPUs were at 70C.

I thought, great! I put the computer back on its feet and wheeled it to its original position. I turned on the PC and the idle temps were back at 42C. I loaded up Prime and load test were at 60C. I didn't load up Furmark this time around.

I wondered what my temps would be like after an overclock. I followed this guide to overclock to 3.8. I loaded up Prime and tested for an hour... my load temps stabilized at 65-67C (maximum reported by RealTemp was 69C). My idle temps, however, are around 45-47C. I don't think this is normal.

Do you guys have any idea what is going on? Why are my idle temps so high?
Man, you're in the exact same boat as me. I upgraded to the d14 and im not getting good results. Search my post about th nhd14. Im at 3.8 core voltage at 1.2125 and realtemp shows max around 70 with p95. Ambient is 22. What is the batch on your chip?
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post #23 of 31
why do you need low idle temps?
load temps is what is important
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post #24 of 31
Thread Starter 
I've re-seated the heatsink AGAIN, this time using MX-4. I applied an extremely thin base to both the CPU and the Heatsink using a non-latex medical glove... basically put a small dab and rubbed it in until I could see the metal had a very slight tint to it. Then I put a small line of TIM in the middle of the CPU.

I'm now getting 60-62C on Prime95 small FFT and so far (~11 hours) its stable. But this is on a 3.8 overclock These are the temps I was supposed to be getting, right?
Edited by Soulicro - 2/28/11 at 2:23am
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post #25 of 31
Quote:
Originally Posted by Soulicro View Post
I've re-seated the heatsink AGAIN, this time using MX-4. I applied an extremely thin base to both the CPU and the Heatsink using a non-latex medical glove... basically put a small dab and rubbed it in until I could see the metal had a very slight tint to it. Then I put a small line of TIM in the middle of the CPU.

I'm now getting 60-62C on Prime95 small FFT and so far (~11 hours) its stable. But this is on a 3.8 overclock These are the temps I was supposed to be getting, right?
As long as your ambients are not super low, that sounds awesome. I'm assuming your ambients are around 22 as reported before which would give you a delta of around 40 which I think is great. I'm going to have to try that myself. Any special hints on the tim application?
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post #26 of 31
Quote:
Originally Posted by Soulicro View Post
Hey guys,

I've been struggling with this since I got my PC almost a year ago. I'm pretty sure I'm getting pretty high temps, considering my cooler.

Running my CPU at stock, I'm getting idle temps at around 43C (right now RealTemp shows 43, 41, 42, 39). I've tried reapplying TIM (lines, BB dots, X's, you name it), I've tried cleaning out dust, and I've tried just waiting it out. I haven't tried lapping yet, because I heard Noctua specifically recommends against it on the NH-D14.

Can somebody help? Its the only reason I'm not OCing, and I bought an i7 930 specifically for that reason!

Well you have a good case for it. I am running the i7 950 in the HAF 922 and the Noctua NH-D14 and I was getting 33c on idle and 56c 100% load Prime95 for 1 hour. I am OC'd to 3.80GHZ and I am getting about the same as you for Idle 40c and at 100% load for 1 hour top temp was 67c at the hottest core. I would check the TIM and how tight the screws are. I did one drop of TIM in the middle of the CPU and let it spread itself. Best TIM in the world if you ask me is the Stuff that came with the Cooler. Best of luck
    
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post #27 of 31
Thread Starter 
Quote:
Originally Posted by breenemeister View Post
As long as your ambients are not super low, that sounds awesome. I'm assuming your ambients are around 22 as reported before which would give you a delta of around 40 which I think is great. I'm going to have to try that myself. Any special hints on the tim application?
I really don't know what my ambients are, weather.com shows the temperature as being like 18C but theres no way, I'm wearing a short sleeve shirt and its definitely warmer than that. Also, I closed the window in the PC room so my OC/Temps would go by worst case scenario.

I just ordered a thermometer / hygrometer that should arrive within a week. When it does I'll make sure to see what it says and post it.

About the TIM: not really. To be honest I was doubtful it would work... everywhere that I've read they said not to spread the TIM. The way I did it: I put on a non-latex medical glove. I put a small dab on the CPU and on the Noctua. I spread and rubbed it in over and over on both surfaces (I used all five fingers and went through three gloves) until the surface "looked" clean, but you could tell it wasn't because it wasn't shiny. Then I applied a thin small line on the CPU and mounted.
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post #28 of 31
Quote:
Originally Posted by Soulicro View Post
I really don't know what my ambients are, weather.com shows the temperature as being like 18C but theres no way, I'm wearing a short sleeve shirt and its definitely warmer than that. Also, I closed the window in the PC room so my OC/Temps would go by worst case scenario.

I just ordered a thermometer / hygrometer that should arrive within a week. When it does I'll make sure to see what it says and post it.

About the TIM: not really. To be honest I was doubtful it would work... everywhere that I've read they said not to spread the TIM. The way I did it: I put on a non-latex medical glove. I put a small dab on the CPU and on the Noctua. I spread and rubbed it in over and over on both surfaces (I used all five fingers and went through three gloves) until the surface "looked" clean, but you could tell it wasn't because it wasn't shiny. Then I applied a thin small line on the CPU and mounted.
I tried that method last night, at least on the heatsink. My cpu is lapped, so I don't think tinting it will do all that much for it. I used some Shin-Etsu 7328 I have. I sat the tube above a lamp for a while to warm it up, then put a glob in the middle and spread it with a nitrile glove. It got extremely sticky very quickly, but I found that hitting it with a hairdryer made it smooth out just like a liquid. I was able to fill in the grooves in the bottom of the heatsink fairly easily. I then put a line down the middle of the cpu. My temps didn't really improve. Less than 1 degree difference (average of 66.5 across all cores core 0 max of 68, ambients 21.8), so back to the drawing board for me. However, I had a kind of a-ha moment. I checked both the heatsink and the cpu with both a razorblade and precision straight edge before reseating. It appears that the cpu is slightly convex and the heatsink is also convex. This makes for a nice air pocket in the worst possible area, right above the core. I don't know how my eyes deceived me before. I'm also trying to figure out how in the heck do you lap a cpu into a convex shape? As for the heatsink, it may not be that bad as it's larger than the cpu, so any imperfections on the edges will make it look convex, but the area that actually contacts the cpu may be closer to flat.
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post #29 of 31
Thread Starter 
@breenmeister - is that 68C during stressing of both the CPU and the GPU or just the CPU? I found out that if I stress my GPUs and my CPU at the same time, my CPU reaches 71C... but when gaming it stays put at ~65C.

How did you stress it?
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post #30 of 31
Quote:
Originally Posted by Soulicro View Post
@breenmeister - is that 68C during stressing of both the CPU and the GPU or just the CPU? I found out that if I stress my GPUs and my CPU at the same time, my CPU reaches 71C... but when gaming it stays put at ~65C.

How did you stress it?
I just stressed the cpu with IBT, 5 passes on max stress with 8 threads. I'm sure that stressing the gpu with a synthetic benchmark at the same time will definitely increase cpu temps especially if your gpu is not external exhaust as the case temps will be higher. I always get higher temps with overnight runs of p95 small ffts, especially if I close the door to my office.

For the record, I checked the flatness of everything again and I think the cpu looks good, but the D-14 is definitely convex. It's going to be RMA'd and a silver arrow is on the way. I may have to mod a RAM heatspreader, but I've come this far, so why not.
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