CPU overheating for no visible reason

[jiggyraff]

Here a photo of BIOS in EZ mode directly after booting

Recently, my cpu has been reaching temps of 100C even in BIOS, and I have no idea why. I factory reset the BIOS to see if I screwed something up, but nothing changed. I use a 240mm coreliquid msi water cooler, and the tubing is hot to the touch right on startup. Any advice would be greatly appreciated.

Here are my specs:
NZXT h510i
MSI MPG Z490 Gaming Edge Wi-Fi
Intel i5-10600K
32GB Corsair 3200Mhz ram
MSI 240mm coreliquid cooler

 

[AMF]

sounds like pump not working or bad pump block install/ no thermal paste/ not enough mounting pressure . did u take off the plastic peel on bottom of cooler block? prebuilt or you built? pictures of inside case might be helpful also make sure power plug is not loose or seated allthe way on aio

 

[ArdWar]

From your description with the tubing being hot, it sounds like the heat transfer to the block just fine, but not to the working liquid. Are you sure the AIO even working properly? Some early batches of MSI coreliquid got problematic gunk-prone coolant. It was recalled, but worth checking I guess.

Of course it still could be something else tho. Human touch are notoriously unreliable for thermal sensing . Hot to the touch can be anywhere from 30C to 100C++.

 

[ixi]

Remove msi aio and install air cooler and check temps then.

 

[Bill_Bright]

Recently, my cpu has been reaching temps of 100C

Please elaborate.

What do you mean by recently? Were they cool before? Or did they got hot from day 1?

 

[phanbuey]

tubes hot = flow issue - you need more lph.

That particular MSI cooler is known for seizing up fyi.
MSI Recalls MAG CoreLiquid 240R, 360R AiO Coolers Due to Sediment Build-Up | Tom's Hardware (tomshardware.com)

^ looks kind of familiar if you ask me.

Honestly for that CPU get a thermalright peerless assassin for $37 and call it a day.

 

[Vya Domus]

What you are describing makes no sense to me.

There is no way the tubing gets hot to the touch right after booting the PC, I have to wait a good 5-10 minutes after a cold boot for any of the tubing or radiator to heat up noticeably, water has a high thermal capacity meaning it takes a quite a lot of heat to rise it's temperature vs a metal heatsink.

 

[jiggyraff]

Please elaborate.

What do you mean by recently? Were they cool before? Or did they got hot from day 1?

Whenever I first ran this cpu, it also overheated very quickly, which is why I got the Mai cooler, and since then it has ran great, going up to a max of about 84C on heavy loads and 50-60C on light loads. And to be more specific, the CPU usually takes about 5 or 6 minutes to reach high 90s. It starts out in the high 50s.

sounds like pump not working or bad pump block install/ no thermal paste/ not enough mounting pressure . did u take off the plastic peel on bottom of cooler block? prebuilt or you built? pictures of inside case might be helpful also make sure power plug is not loose or seated allthe way on aio

I built this pc from scratch, and I did remove the plastic and put thermal paste. I’ll check up on the thermal paste, and then try a different cpu cooler.

 

[MeohMyoh]

Here is your problem explained by a good tuber

 

[damric]

My friend was complaining and I found half a cat embedded in his radiator. Clean that thing out.

 

[Bill_Bright]

max of about 84C on heavy loads and 50-60C on light loads.

Well, we don't know anything about your ambient (room) temperatures, but IMO, if those were your temps when the system was first put together, even then they were too high. They are not "hot" but 50 - 60°C with light loads is still pretty warm - too warm, IMO.

It appears that case only comes with 2 x 120mm fans. 120mm fans would be considered on the small size these days. You may not have enough cool air flowing through the case.

 

[P4-630]

NZXT h510i

I'm not surprised your hardware in that case runs quite hot....
It's almost a closed case with almost no fresh air coming in...

 

[Bill_Bright]

I'm not surprised your hardware in that case runs quite hot....
It's almost a closed case with almost no fresh air coming in...

Which is why I was surprised NZHT only put in 2 x 120mm fans. According to the specs, it supports 2 x 140mm fans in front plus 1 x 120mm in back, and a 140mm up top.

@jiggyraff - you might want to remove the side panel and blast a desk fan in there just to see what happens. If temps drops significantly, you know you need to address your case cooling.

One more thing - one of the more common mistakes people make when applying TIM (thermal interface material) is they apply too much. Remember, the most efficient transfer of heat occurs with direct metal-to-metal contact of the mating surfaces. And the purpose of TIM is to fill the microscopic pits and valleys in those mating surfaces to push out and prevent any insulating air from getting trapped between the device and its heatsink. Any excess TIM is in the way and counterproductive to that efficient transfer of heat. So you want as thin a layer as possible while still providing full coverage.

 

[cvaldes]

And to be more specific, the CPU usually takes about 5 or 6 minutes to reach high 90s. It starts out in the high 50s.

This sounds like a faulty AIO pump or coolant loss especially if the CPU temperature gradually climbs while idle. You can duplicate this behavior with a functional AIO by unplugging the pump just as I have done inadvertently.

Go to the Hardware Monitor section of the MSI UEFI screen. What does it say about the pump speed? If it's zero or very low, you have a broken pump. If the pump revolutions look normal, there was probably some sort of coolant loss.

Both failures are rare yet possible, the same as a modern gas-powered automobile which has the exact same cooling system.