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High CPU Temps (Noctua NH-D14)

post #1 of 31
Thread Starter 
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!
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post #2 of 31
tidying up your cabling in your computer will help with temps also if you dont have much airflow, you will just suffercate the heatsink and wont do what its supposed to do also getting some case fans help alot
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post #3 of 31
what are the ambient air temps in the room your computer is in?

you make sure you tightened down the screws till they were snug, (dont over do it) you want a very firm contact area

less TIM is better, MOAR IS NOT BETTAR!! lol

just general stuff... but really, if your room is warm or if your case doesnt have great airflow, this will reflect on your temps. are cables in the way?

for an i7 930, 39*C doesnt sound horrible... my dual core E8400 idles at 32*C with my H50 and the H50 is about as good as high-end air coolers.
    
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post #4 of 31
did you screw screws all the way down until it stoped?

and what are your load temps?
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post #5 of 31
Idle temps aren't really relevant, I get around 40 C on my Noctua at idle.

Load temps are where it counts, what are they? And what is your ambient?
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post #6 of 31
Thread Starter 
Q1: How are the cables in your case?
A1: http://i.imgur.com/Hg96u.jpg

Q2: Did you screw down the cables?
A2: Yup, half-turn on each screw until both stopped.

Q3: How is the airflow in your case?
A3: Well, its the HAF932, I assume that means its good?

Q4: How are the ambient temps in your room?
A4: Right now the temperature outside is 21C, and the window is open. I don't have a thermometer to check what the temp is inside my room.

Q5: What are your load temps?
A5: Around 61C
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post #7 of 31
Sounds to me like you're using too much TIM when re-applying, and then it's working as an insulator rather than a thermal conductor.

Re-apply it --again. This time however, try doing this:

1. Clean both the IHS of the CPU and the base of the heat sink with rubbing alcohol. If you can't find 90%, 70% isopropyl will work just fine. Be sure to let it evaporate completely; which shouldn't take more than a minute or two.
Be sure not to touch either of the surfaces with your hand, the oils off of your skin can contaminate them.

2.Apply a small rice sized line of TIM in the very center of the CPU. DO NOT spread the TIM out with a credit card or anything else.

3. Mount your heat sink. When doing this be sure to press down somewhat hard and rotate it ever so slightly [not a whole lot just a little]; this will help spread the TIM out.
NOTE: When installing the retention screws, try not to move the heatsink at all. If it lifts or is moved too much, you can introduce air bubbles in to it. Air is not a good conductor of heat.

PS: Watch this video and notice how much pressure the guy is using to spread the thermal compound.
[ame]http://www.youtube.com/watch?v=ffK7L0Qj13Q[/ame]
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post #8 of 31
Quote:
Originally Posted by Soulicro;12444192 
Q5: What are your load temps?
A5: Around 61C

Honestly, 61C doesn't sound too bad... What's the voltage you're putting through at stock?

on mine I get load temps of about 70 C with 20 C ambient with 1.24v in the BIOS
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post #9 of 31
Thread Starter 
@Scorpii: I'm going to need to open up CPU-Z and stress it again to give you an accurate answer. Right now its showing Core Voltage at 0.944V. If I open Prime95 and let it go for a sec it shows 1.224V.

@BlackOmega: I will try it out, thanks. One question though - on the video you posted the pea size vs the rice grain size shows pea size doesn't squeeze out the sides... does that not matter? I'm using MX-3 BTW.
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post #10 of 31
Quote:
Originally Posted by Soulicro;12444132 
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!

If your running your cpu voltages on auto it can sometimes make the temps higher. Also, using a different cpu multiplyer can often help with OC'ing and lower voltages/temps.
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