Question CPU Overheating out of nowhere

[Splatted YT]

Intel i7 7820 X
NZXT Kraken Z73 Liquid Cooler

Hello,
One day out of nowhere, without changing anything of the system, my CPU started getting very hot. Idling at ~50 Degrees and shutting off my PC at high loads.
I have cleaned out the case, which was quite dusty and also reapplied thermal paste, but it didnt seem to help. The fans on my cooler are running and the pump appears to have flow, but the processor still overheats.
Could it be that I applied the thermal paste wrong again? Although that wouldn't explain why it overheated in the first place since the paste I had on before could not have been older than 3 years.

Does anyone here have any clue what the issue might be? Any help is appreciated

 

[Eximo]

Pump failure, or internal clogging of the cold plate. Are you seeing any RPMs for the pump itself in the BIOS?

AIO don't last forever, and if it as old as the CPU, you got fairly lucky at 8 years.

 

[Splatted YT]

Pump failure, or internal clogging of the cold plate. Are you seeing any RPMs for the pump itself in the BIOS?

AIO don't last forever, and if it as old as the CPU, you got fairly lucky at 8 years.

Hi, yeah I do get around 1200 RPM on the pump in the BIOS and it (luckily) isn't as old as the cpu. I got it a little over a year ago.

Another thing that I noticed is when I turn XMP off, the temperatures are a lot better and the system doesn't crash on high loads. But still very disappointed that I have to run the CPU at stock settings since I used it with XMP for a long time before it starting overheating.
Thanks for the reply!

 

[drivinfast247]

Replace the cooler.

 

[geofelt]

In time an aio will fail.
Possibly because the mechanical pump will fail or get clogged.
Or, because air will intrude through the tubes requiring a replacement.
5 years might be typical.

Here is a list of air coolers that Noctua deems to be suitable and compatible with your cpu:
https://ncc.noctua.at/cpus/model/INTEL-Core-i7-7820X-291
They are top quality but pricey.
A similar cooler can work if it supports your socket.

 

[Splatted YT]

In time an aio will fail.
Possibly because the mechanical pump will fail or get clogged.
Or, because air will intrude through the tubes requiring a replacement.
5 years might be typical.

Here is a list of air coolers that Noctua deems to be suitable and compatible with your cpu:
https://ncc.noctua.at/cpus/model/INTEL-Core-i7-7820X-291
They are top quality but pricey.
A similar cooler can work if it supports your socket.

Is there any other point of failure that the issue might stem from? My cooler is not very old (about 1 year old) and seems to be cooling the CPU fine if it isn't running with XMP enabled.

 

[JayGau]

You have a Kraken cooler, so if you don't have it yet, install NZXT CAM, launch it and look at the pump status and liquid temperature.

Try to run the pump at max speed if it's not already. If the liquid is too hot (like 20c above the room temp), try a more aggressive radiator fan curve (ideally set with the liquid temp instead of the CPU).

If the liquid temperature is very low (like close to the room temp) and doesn't go up when the CPU is under load for a while, then there might be a problem with the CPU/cooler coupling.

Maybe the CPU is unable to fully boost at max clock speed when your RAM runs at low frequency, so it doesn't get hot, but you are likely loosing performance.

 

[Splatted YT]

You have a Kraken cooler, so if you don't have it yet, install NZXT CAM, launch it and look at the pump status and liquid temperature.

Try to run the pump at max speed if it's not already. If the liquid is too hot (like 20c above the room temp), try a more aggressive radiator fan curve (ideally set with the liquid temp instead of the CPU).

If the liquid temperature is very low (like close to the room temp) and doesn't go up when the CPU is under load for a while, then there might be a problem with the CPU/cooler coupling.

Maybe the CPU is unable to fully boost at max clock speed when your RAM runs at low frequency, so it doesn't get hot, but you are likely loosing performance.

sounds good, ill try that and get back to you.

 

[BFG-9000]

My cooler is not very old (about 1 year old)

It came with a 6-year warranty and the model has been discontinued, so NZXT might send you a better replacement