suomilapsi Posted June 24, 2014 Share Posted June 24, 2014 Hello, Latest: Link software, H80i Bios. Case: Fractal Design Node 304 CPU: Intel Core i7-4770K CPU starts to heat up fast after PC is turned on. CPU reaches close to 100celcius with load in matter of few minutes. Idling for long periods with very little load CPU still goes to 70-90+ celcius. Room temperature is around 22celcius. When moving the PC as cold you can here liquid inside H80i pipes moving. Pump makes some noise when it is on. I did reinstall H80i checking mounting and reapplied heatpaste after cleaning old carefully. Checked push pull fans around heatsink (one pushing from inside the case to heatsink and other pulling from heatsink pushing out from back of the case). All fans are running including case fans (2 at front of the case). Attached is an image with Link, RealTemp, CPU-Z and GPU-Z visible on it. PC gets fast from start to this state without having to cause any real load on it. Any idea what is wrong? All ideas and help would be appreciated. Regards, Suomilapsi Link to comment Share on other sites More sharing options...
LangZone Posted June 24, 2014 Share Posted June 24, 2014 Since you already reseated it we can rule that out (assuming it's snug). It sounds like it's not actually pumping the liquid. Make sure that the pump is getting full power from the motherboard in the bios. The rpm should be over 2000. Perhaps plug the pump into another header and plug a fan in the cpu header for now to test. Link to comment Share on other sites More sharing options...
suomilapsi Posted June 24, 2014 Author Share Posted June 24, 2014 Hello, Thanks for answer. Link software claims that the pump is running at 2169 as in the screen capture. I have seen this around 2169-2198 always once I got Link running. Since CPU temp and H80i temp which I read is supposed to be the liquid temp are pretty close I assume it is sign that the CPU and H80i are pretty tight together and heat flowing ok between them? Next is exactly as you wrote that perhaps pump is not really able to move liquid to heat sink for cooling? Regads, suomilapsi Link to comment Share on other sites More sharing options...
LangZone Posted June 24, 2014 Share Posted June 24, 2014 Agreed. Try plugging it in to another header to be sure and if that fails request an RMA. Link to comment Share on other sites More sharing options...
HOODedAssault Posted June 24, 2014 Share Posted June 24, 2014 Could be an air lock. Link to comment Share on other sites More sharing options...
harryhoudini66 Posted June 25, 2014 Share Posted June 25, 2014 What does the thermal paste look like when you disconnect it? Is it making contact with the CPU for sure? Is it nice and even? Link to comment Share on other sites More sharing options...
wytnyt Posted June 25, 2014 Share Posted June 25, 2014 have you checked for proper install of the backplate,,2 cutouts must face up... sounds like where the problem lies Link to comment Share on other sites More sharing options...
HOODedAssault Posted June 25, 2014 Share Posted June 25, 2014 Did nobody look at the picture. H80i temp is 78°C. Either there's an airlock or something jammed up to prevent fluid from moving. Since pump rpm is normal. With temp that high on cpu I'd say airlock. I'd run the unit unhooked from the computer and shake the crap out of it to get whatever is blocking dislodged. Link to comment Share on other sites More sharing options...
suomilapsi Posted June 25, 2014 Author Share Posted June 25, 2014 Hello, I did change both USB header and power header to different USB slot and power cable. Made no difference. I had earlier rechecked that mounting was done in proper way and also added little 'washers' to make attachment tight enough on my mini ITX. I cut around 2mm thick pieces of suitable tube that worked perfectly. I also had used thermal paste MX5 (if I remember name correctly) on my 2nd try from which earlier screenshot was. I did do RMA it today since replies I got to my post where confirming my suspicion that something was wrong with moving the liquid to heat sink for cooling i.e. heat moved from CPU to pump and thermal liquid of H80i, but did not circulate via heat sink and thus not much cooling at all. Here are screenshots of the same system after RMA. Note that I did not unhook backplate or my washers at all. I did remove factory paste and replaced it with Gelid GC-extreme thermal paste. Also new replacement unit does not cause same noise anymore at all. It was likely something caused by failed pumping. I have another PC with H100 and my friend has H80i which I installed earlier for him and both have worked perfectly. Seems I just got very unlucky and got faulty H80i from start (pretty rare from what I understand), but now I am back to very happy user again. Thanks for all the help! Check screenshots! Regards, suomilapsi Link to comment Share on other sites More sharing options...
LangZone Posted June 25, 2014 Share Posted June 25, 2014 Way way better. Glad the RMA worked! Link to comment Share on other sites More sharing options...
HOODedAssault Posted June 25, 2014 Share Posted June 25, 2014 Not bad glad it worked out for you. Link to comment Share on other sites More sharing options...
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