High Temps in 4770K

Buchery · Jul 25, 2014

Hi,

Recently I started to get a ridiculous amount of temp read on my CPU, When the CPU is idle and I'm not doing anything its normally between 40-60c. But when I run Cinebench I can easily get 100c. Sometimes when I restart the PC, the bios will stop booting and will give me a temperature warning.

I'm using Corsair h100i, so this should be more than enough to keep my CPU cool, especially when the CPU isn't OC.

Thanks in Advance

Eduello · Jul 25, 2014

Hold your ear against the pump of the H100i. If you don't hear the pump running, you might have a broken pump.

ingtar33 · Jul 25, 2014

check the rpm the pump is running at... it should be running around 2100... if it's running fine, touch the tubes and see if they're hot. if they're hot the coolent isn't circulating. if they're not, then you've got bad connection between the h100i and the cpu. take the unit off, clean off the cpu and h100i reapply thermal paste and see if that fixes it.

Buchery · Jul 25, 2014

Eduello :

I can feel the vibration inside both pump, and corsair Link is telling me that the pump RPM is 2160

Buchery · Jul 25, 2014

ingtar33 :

The RPM is around 2160, tubes aren't that hot, I can hold them in my hand normally. I will try the last solution and get back to you. Thank you.

Edit: I replaced the thermal paste, and I noticed a slow reduce in the temps. Ideal is still 40-60c, but with Cinebench I get most 95c. so This is a slight improve.

I use NF-F12 PWM fans, but I used these since Feb, but this awkward increase happened lately.

Appreciate your help

Buchery · Jul 26, 2014

Any Help?

Eduello · Jul 26, 2014

What are the specs of your system and how high is your ambient temperature?

Buchery · Jul 26, 2014

Eduello :

CPU 4770k
Ram 8x4 (32GB) 1600Ghz
GTX780
SSD 250GB
2x 2GB harddesk
H100i cooler
Windows 8.1

Eduello · Jul 26, 2014

Ambient temps? There's a chance that the water flow is obstructed by a bubble of air.

Buchery · Jul 26, 2014

Sorry but is the meaning of ambient temperature? Is it room temperature?

Eduello · Jul 26, 2014

Yes, room temperature

Buchery · Jul 26, 2014

Around 30c

Eduello · Jul 26, 2014

Well that is quite hot, but it still not hot enough for the CPU to reach almost 100C.

Are the tubes hot when you're stressing the CPU? Or are they as cool as they are when the CPU is idling?

Buchery · Jul 26, 2014

Eduello :

I have just made this test,
CPU ideal(only Browser is open) - Temp 52c - pump feeling cold
Cinebench - Temp 96c - intake pump is cold but outage is hot

Should I put H100i stock fans back or you suggest checking another thing?

Eduello · Jul 26, 2014

If the one tube is hot and the other cold, the water probably isn't circulating properly, which means there's probably an air bubble in the loop. I'd RMA the cooler if it's still under warranty.

Buchery · Jul 26, 2014

Eduello :

There is no way to fix this? I bought this from another country and its almost impossible to ship it there...

Eduello · Jul 26, 2014

You can try changing the thermal paste again: http://www.tomshardware.co.uk/forum/333968-28-thermal-paste-removal-installation-guide

You could also try gently shaking the cooler; If there's a bubble, it might move out of the way.

Buchery · Jul 26, 2014

Eduello :

I will try this and will get back to you later, Thanks for the help

Currently I have laid the case on it side, as being recommended in other threads, they said that this might remove the bubble.

Buchery · Jul 26, 2014

Eduello :

This is the sound coming closely from my CPU, I though this might help to diagnose the problem

http://www.mediafire.com/watch/9x3hh2h77j0o71c/Voice_001.m4a

Edit: I change the paste again and it still idle around 65c

Edit 2: I used to get 76c with OC to 4.5Ghz, but now running stock and I get 70c easily. http://www.tomshardware.com/answers/id-1719159/4770k-5ghz-reaching-89c-296v-normal.html

Eduello · Jul 27, 2014

Damn, that doesn't sound very healthy...
It's odd that the RPM of the pump is normal even though it makes a sound like that. I'm no longer certain it's an air bubble, might also be a faulty pump. The problem is, there's no way to diagnose it since Corsair water coolers can't be opened to remove air. Try to use your stock cooler to rule out the possibility of a failing chip, that way we can be absolutely sure that it's the cooler.

Buchery · Jul 27, 2014

Eduello :

I will put the stock cooler tonight and report that to you.

check this:-

Buchery · Jul 28, 2014

Eduello :

Great news, I have installed the stock cooler and it is giving me better results than the H100i. I think that unit is faulty. I have contacted corsair about it, I don't know if I'm going to have replacement if I don't live in USA. If I didn't get a replacement, I will get the N280L. Do you recommend it?

Eduello · Jul 28, 2014

Buchery :

Eduello :

Great news, I have installed the stock cooler and it is giving me better results than the H100i. I think that unit is faulty. I have contacted corsair about it, I don't know if I'm going to have replacement if I don't live in USA. If I didn't get a replacement, I will get the N280L. Do you recommend it?

Good to hear! The N280L is decent, but I'd recommend the NZXT Kraken X61 if you want to stick with water cooling.

Buchery · Jul 28, 2014

Eduello :

Buchery :

Good to hear! The N280L is decent, but I'd recommend the NZXT Kraken X61 if you want to stick with water cooling.

The N280L is water based as well right?

I just need the best cooling (closed cooling) with the lesat amount of issues,

Eduello · Jul 28, 2014

Yes, the N280L is a water cooler as well. If you want to eliminate the possibility of a failing pump, get an air cooler like the Noctua NH-D15.

High Temps in 4770K

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