Mainboard problem or dead water cooler

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13 Jan 2018
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20
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Barrow In Furness
I've had a Medion Erazer Desktop Gaming PC MD8424 for about 5 years. Spec: Intel Core i7 3930K, Windows 7, 16gb ram, Nvidia GeForce GTX 680, Cougar psu 750w (installed a new psu as the one medion installed was only 600w) ssd hd and seagate 2tb hdd.
Last night the CPU was running at 65c and the water cooler fan came on really loud. I have medion erazer centre which gives cpu temps and fan speeds. The cpu went as high as 79 degrees so i turned the machine off. Cleaned all fans this morning ( I clean them every few months) still making loud noise coming from the back of PC!!
The CPU fan 4200rpm at one point, PCH fan 4300rpm and case fan 2100rpm.
I turned the machine off.
Could it be the water cooler and how do i replace it? It has a black radiator a fan that blows air out the back of the PC. There's two pipes, one is warm the other cooler, which are attached to a round fan above the cpu. I've never cleaned this fan. It felt hot to touch but surely if it was broke the pipe wouldn't feel cold.This is bolted to the board with four screws and it looks like there's a metal clip or wire thing under it?? I'm worried if i remove the fan it could damage the cpu, my friend did this to his pc, tried to remove the water cooler and damaged his processor pins. I
THe water cooler has made a ticking noise like a hhd but it's not from the hhd, so could be that? Been making that noise for a month or so.
In all the 5 years, never reapplied thermal paste or done anything to the water cooler.
virus checked my pc, it runs and boots up, ran malaware bytes but nothing suspicious.
Friend said it could be a diode gone on the mainboard.
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No one I know knows about water cooling even the tech in PC world didn't.
 
I don't know if the cooler is powering up. One pipe feels slightly cold, the otherr warm and the black part that sits abovee the processor is warm to the touch
 
Thanks for helping!! Will replace the aio with like for like asap to avoid stressing cpu, temps too high to run pc.
 
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