CPU overheating after long period of inactivity

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DavidDennison

Honorable
Apr 11, 2013
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10,510
So I went on vacation on December 13th and did not come back until yesterday. Before my vacation my desktop was working just fine with no issues of overheating whatsoever. I turn my computer on today and it overheats every 5 minutes and shuts down. Now this is unusual given my system hardware specs which are as follows:

Intel i7-3820 @3.60 GHZ cooled by Corsair Hydro Series™ H100i Extreme Performance CPU Cooler (water cooler)
GEForce GTX 690
24 GB of RAM
Corsair AX 1200
ASUS Rampage IV Extreme with BIOS version 4804 - 2.10.1208

This system was bought and built in March of 2013. I've never had a real problem with this, but its has rarely happened in the past. All I would have to do is reset the setting in the BIOS and the problem would go away. This is not working this time. The CPU fan stays around 2500 RPM so I know that it is working properly, yet the CPU stays at a steady 88 degrees celsius then overheats to 90 degrees celsius and shuts down the computer. For the little time I do have while it is on, I'm going to update the BIOS to the latest version to see if that changes anything. Also, the Corsair heatsink plate is hot to the touch.

I also just re-applied thermal paste (Antec Formula 7) and it lasted a little longer than 5 minutes, but still shut down after ten.

I have also included a few pictures of my rig and some diagnostic files. Please let me know what you guys think. I appreciate all the help!

Here are the links to pictures of my system config (they are posted to tinypic as a hyperlink):

http://

http://

http://

http://

http://


These are the diagnostic files (they are posted to Filedropper as a hyperlink):

This one in .html :
http://

This one in .txt :
http://
 
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DavidDennison

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Apr 11, 2013
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10,510


That was my next thought process. A new one out of the box is $100. I'd hate to spend another $100 on it, but if that works I'll do it. Also, are the tubes coming from the cooling block and CPU supposed to be hot or cold?
 
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bigpinkdragon286

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Oct 3, 2012
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From my experience, both the inlet and outlet tubing should be nearly the same temperature. The water should be moving through the block at a rate that the CPU should not have enough time to raise it's temperature significantly. It's only once the entire loop gets saturated with heat that it should start raising the temperature of the coolant by noticeable amounts.

If one of your lines to the CPU block is warm and the other cold, I suspect the pump is not circulating correctly and you're getting the heat flow by means of convection. Be careful if one side of the tubing is getting hot, as not all tubing can withstand high temperatures and may fail.
 
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DavidDennison

Honorable
Apr 11, 2013
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10,510


The problem is that the tubes (no matter the location) are cold to the touch. Should I just say forget it, and go back to a regular heatsink?



 
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bigpinkdragon286

Splendid
Oct 3, 2012
4,648
35
28,590
From your initial description of a hot CPU block, it still sounds like the pump has stopped running. It may also be that your system is shutting off before enough heat is travelling through either of the tubes to warm it up. Is there any included software or fan connection available that you can use to verify the pump is running? Even putting your ear near to the cooler while the system is on, you may be able to hear a whine or hum from it. If you need to, you might as well run air cooling until you can figure out what's wrong with your H100i, as the system sounds otherwise unusable.
 
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synphul

synphul

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Mar 11, 2011
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Is there any chance that during vacation while you were away (given it's december you're talking about) that the system may have cooled off enough to freeze and cause damage to the pump internals? If the pump failed, then the coolant is just sitting there and it's pretty much like having a waterblock with no radiator or coolant installed. Fans running over the radiator do no good if the coolant is at a standstill. Part of the reason I prefer to stick with air coolers. At the very least I wish aio coolers would include a flow meter (physical, not some software gimmick) for diagnosis. One advantage a true watercooling loop has over aio's.
 
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