CPU Overheating for (apparently) no reason

[nalbonico01]

My i7 4790 reaches 70 degrees on idle and nearly 100 while playing games. I’ve already replaced the thermal paste and my Antec Kuhler H2O 650 seems to be working fine. The problem is that when the cpu reaches high temperatures it starts throttling, which slows down my pc a lot. What should I do?

 

[freercurse]

get a different cooler, because it's not working.
Try testing by running an AEIDA64 test record the temps.
turn off your PC and unplug your cooler and record again see if it changes

 

[luckymatt42]

What makes you say your cooler is "working fine" when your temperatures are reaching 100? I'm just curious as to how you reached that conclusion.

 

[nalbonico01]

get a different cooler, because it's not working.
Try testing by running an AEIDA64 test record the temps.
turn off your PC and unplug your cooler and record again see if it changes

I’ll try that tomorrow, thanks! I’ll be writing any news down here.

 

[nalbonico01]

For those asking how can I say the cooler’s working:
I unplugged it from the pc and gave it power with a power supply. I can hear the pump running and I can see the fan spinning. I’ll buy a new one anyways because I have some doubts.

 

[Dugimodo]

The trouble with water coolers is it's difficult to tell if the pump is working unless you have a flow indicator of some kind.
I'd suggest either it's mounted wrong or it's not working correctly. Even a stock cooler should be better than what you are getting.

 

[Karadjgne]

It's a liquid cooler. Just because the pump is running and the fans are spinning doesn't mean the coolant inside has not evaporated enough to drop levels below what's viable for use. It's sorta like how a bicycle tire will always go flat, even if there's no puncture. Generally expect most AIO's to have a working life expectancy of @5 years, ± for temp extremes, quality of hoses, starting level of coolant etc.

Ever wonder why ppl use nitrogen in car tires? Same principal. The air inside the tire breaks down gradually, and an oxygen molecule is rather small, bleeds through rubber quite easily. Nitrogen is a much larger molecule by comparison and gets stuck, doesn't bleed out. Same thing happens to the coolant, even with low-evaporation rubber hoses, it just takes longer.