H100i cooler problems

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Roman Timochenko

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Apr 1, 2013
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Hello,
A bit more than a month ago, I have completed my build with 3930k processor, Corsair H100i cooler, etc. Everything was fine, idle temps were about 30-35, load not exceeding 70-75.

Today, once I came home, I did a check on my cpu temperature (just for the sake of it). Turned out, idle temps were up to 45-50. I checked the coolers led - works, checked the fans - work. I turned on prime95, and it immediatly jumped to 85 or so. I rapidly turned it off, and watched the cpu temperature be at 70 or so. i unmounted the side of the case, touched one tube - hot, other - cold. Its only 1 month and 1 week i am using this cooler. Unfortunately, the first two weeks of direct store replacement are over, and 1 month warranty too. What do I need to do now? Should I even bother visiting the shop with the broken h100i? I can buy a new one, but I only used this one for a month and it broke down on itself, this is bullshit.

Also, could it have damaged my pc, if it was on 15-20% load for some days (not all the time of course), so about 75-80 celsius (since it is not actually cooling it). Would my motherboard Asus Rampage IV Extreme protect my cpu from damaging temperature? Thanks!
 
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BwwwJ1st

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Nov 3, 2012
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Your original idle temps of 45-50 seem really high, and load temps are high also for that setup. My 3930K @ 4.2GHZ cooled by the H100i, idles at 32 and under prime95 maxes out at 61C after an hour. Possible your pump portion of the H100i did not seat right on your CPU when originally installed. Or it could be a bad H100i. What our your room temps? is your 3930K OC'd? How is your radiator and fans setup? Is the radiator receiving cold air from outside your case, or hot air from inside?
 
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Roman Timochenko

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Apr 1, 2013
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10,510


Hello, the thing is, if you read the first sentance of my first message, I say, that my idle was at 30 and maxed out at about 70. It was like that during a month. This bullshit started to happen in the last several days. So all these questions and answers are irrelevant.

The question is, what to do with this malfunctioning H100i? I have got no idea how people RMA and so on. Do i have to spend 50$ mailing it to the corsair headoffice? Do i bring it to the shop where i bought it, even if the warranty is 1 week due?
 
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Roman Timochenko

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Apr 1, 2013
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The clips are fine, thanks for the tip tho.
 
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Buzz247

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Mar 18, 2013
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"One tube hot, the other cold" - define hot and cold difference. There is a reason I ask before I get a snark reply about relevance. One of 2 things happeened here. Either pump fail (you should feel a slight vibration if working - led just means it's getting power) or thermal paste contact fail. Pump (which these are known for) will cost you. Trying the shop depends on you and their kindness.
 
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Roman Timochenko

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Apr 1, 2013
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10,510
Well, I can feel the temperature of the CPU in one tube, while the other one stays relatively cold, since it looks like it makes no contact with the CPU. As far as I know they should be more or less equal in temperature. While it is noticeable with bare hands at this moment. Also, how could the thermal paste contact fail, it was ok for a month, and no changes happened. It just stopped cooling for some reason. The fans still work, but doesn't look like the water is running. In fact, I have just touched it, and it is not vibrating. I have also pressed on it, to make sure the thermopaste contacts well - no change.

UPDATE - for some reason it started working again. I accidentally unplugged the pc completely, and plugged it back again (into the power supply). The power supply is old, and i bought it years ago, ocz 600w. What has also happened, was that my razer keypad lost power on the right 4 keys until i unplugged and replugged it back in. (happened completely randomly). So am I right to guess, that the problem is the PSU, that is becoming unstable > losing power in the usb ports & Corsair h100i lost required power until a complete unplug of the PSU?
 
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Roman Timochenko

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Apr 1, 2013
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At this moment it is at 32 C (asus temperature), and 40-45C per core via "REAL TEMP GT" - dont know who to trust. At 10% usage ratio. So about 28C idle asus temperature and 35 idle "REAL TEMP GT".
 
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Roman Timochenko

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Apr 1, 2013
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I mean, if the pump broke, it would not fix itself, I guess. But the fact that I unplugged the psu and it started working, might be related to the crappy PSU getting fucked. Am I right? A nice 850-1000W gold-platinum PSU incoming?
 
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Buzz247

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Mar 18, 2013
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3 years is about half of norm expected 5yr span. So ya could be going. If the impeller on the pump somehow hung up n seized, releasing mags could reset it sure. But combined with the other issues you just mentioned, I smell fail coming. Maybe caughr a power spike or volt dip? Prob time to get ready for a new one
 
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