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My computer today suddenly started over heating as said in the title the cpu is overheating, the fans are running full blast and the liquid in the closed loop is heating up significantly but the radiator stays cool even without fans. Have tried removing dust and applied new thermal paste. 

Windows 10 64 bit 
CPU fx3500 no overclock
Not sure about motherboard Asus micro atx no Bluetooth 
8gb corsair vengeance 
GTX 970
600w corsair psu
2 256 ssd 's one Samsung one kingston

Thanks in advanced for the help

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https://linustechtips.com/topic/579245-help-my-computer-is-overheatin/
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1 minute ago, mikat said:

what do you mean by "overheating"

70c? then it's fine

80c? probably fine, but you should look into it

90c? you have a problem

Overheating as in the computer shuts its self down roughly 80c decrese or so , ive got it "usable" by dissabling half the cores

 

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2 minutes ago, JackOrSomething said:

How would i check to see if that is true

 

try a stock air cooler, it will prolly work fine then.
if not then you find the problem in the mobo or cpu.

CPU: AMD Phenom II x6 1090T black editon. Graphics: ASUS GTX 780 DirectCU II OC. Ram: 8 gig ddr3 1333 Mhz

 

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2 minutes ago, Arc_Jester said:

You can usually hear the pump when you're close enough if you don't hear anything then it's dead.

problem is my psu has some serious coil whine that drowns it out, but thats been going for over a year now

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How old is your pump?

Where is the pump physically located in your system in relation to your res? Remember, the order of the loop DOES NOT MATTER (it may only cause a few degrees of difference) except for the following: the res MUST come before the pump in the loop, and it must physically be located above the pump. If your pump runs dry at all, it can cause very quick death (sometimes in as little as 30 seconds).

"Not breaking it or making it worse is key."

"Bad choices make good stories."

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3 minutes ago, kimsejin5 said:

How old is your pump?

Where is the pump physically located in your system in relation to your res? Remember, the order of the loop DOES NOT MATTER (it may only cause a few degrees of difference) except for the following: the res MUST come before the pump in the loop, and it must physically be located above the pump. If your pump runs dry at all, it can cause very quick death (sometimes in as little as 30 seconds).

its about a year and a half old and is a closed loop pre made

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Who is the manufacturer, and what size is the rad? Sometimes, really small and really large loops can experience liquid evaporation.

Single 120, single thick 120, dual 120, dual thick 120, triple 120, dual 140, triple 140, etc...if you're not sure, tell us the model number.

"Not breaking it or making it worse is key."

"Bad choices make good stories."

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1 minute ago, kimsejin5 said:

Who is the manufacturer, and what size is the rad? Sometimes, really small and really large loops can experience liquid evaporation.

Single 120, single thick 120, dual 120, dual thick 120, triple 120, dual 140, triple 140, etc...if you're not sure, tell us the model number.

Woops sorry thought i had posted it, its a corsair H75 single rad 140

 

 

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1 minute ago, JackOrSomething said:

Woops sorry thought i had posted it, its a corsair H75 single rad 140

 

 

Like everyone else has said, it's probably a dead pump. If you want to continue to use a water cooled system, you can go with another Corsair loop, or one from Fractal Design, Cooler Master, or Swiftech (their H220x is expandable too). Just remember that while water does keep your CPU cooler, it kicks out that much more heat into the room you are in. Something like the Noctua NH-U12s or NH-U14s are both excellent coolers with large TDP(95w) that are capable of handling the large TDP of high end CPUs. I'm a Noctua fanboy, but in all honesty, they do make the best coolers.

"Not breaking it or making it worse is key."

"Bad choices make good stories."

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