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Hey guys!

So I was peacefully rendering today when my computer froze. I restarted it and it said the CPU was too hot to start. After 10 minutes or so I managed to turn the PC back on and downloaded a program to check the temperatures. The CPU was at 92.1º (197.8ºF). Shortly after the PC froze again. Does this mean what I'm fearing? Is my system cooler dead?

My PC, if this is important: 

AMD Ryzen 9 5900X, 3.7GHz

Asus ROG Strix B550-E

Water Cooler Corsair Hydro Series H45, 120mm

RTX 3070 Twin Edge 

Does anyone have any ideas? Thanks!

Comments

Leo Rojas

Check the water reserve to see if you need more

Anonymous

Here’s what GPT-4 said “While I can't say definitively without physically inspecting the system, the symptoms you're describing do indicate a potential issue with your cooling system, particularly your CPU cooler. A CPU temperature of 92.1°C (197.8°F) is quite high and can cause system instability, including freezes or crashes. There are a few things you should check to diagnose the issue: Make sure the water cooler is properly seated on the CPU and that the thermal paste has been applied correctly. If the contact between the cooler and the CPU is not good, it will result in poor heat transfer and high temperatures. Verify that the cooler's pump is functioning. You can do this by listening for the pump noise or checking the reported pump speed in your monitoring software. If the pump isn't working, it won't circulate the coolant, and the cooler won't be effective at dissipating heat. Check that the radiator fan is spinning and not obstructed. Dust buildup or a faulty fan can result in inefficient heat dissipation. Inspect the coolant levels and tubing for leaks. If the coolant level is too low, or there's a leak in the tubing, the cooling performance will be compromised. If you're still having issues after checking these factors, it's possible that your cooler is faulty and needs to be replaced. It's also worth considering whether your Corsair H45 water cooler is providing adequate cooling for your Ryzen 9 5900X. While the H45 is a decent cooler, the 5900X can generate a lot of heat under heavy loads, so a more robust cooling solution might be required.”

Nino Heđi

Before you do anything drastic try changing thermal paste on your CPU, since it is AMD i recommend trying thermal grizzly cryonaut thermal paste. It should reduce temperature by 10 °C. If it doesn't help then something is wrong with cooler.

Leo Rojas

I looked it up and it says it doesn’t need to replace it so since that doesn’t seem as the option, thermal paste is the only other option available

Anonymous

Since you are able to run the pc for a while before it shuts down it could but doesn't have to be the case. Sustained CPU temps above 80°C can do long-term damage to the CPU and its silicon. If your CPU goes higher than 90°C for several hours, it will likely reduce the lifespan of your processor. It all depends on how long it's been running at these high temps without you knowing. It could also be caused by internal dust buildup, a quick cleaning of your pc should tell if this is enough to mend the issue. It's probably not the root cause however. It could be a software issue, faulty drivers or conflicting softwares causing a more serious malfunction. Could also be a hardware issue in the motherboard or hard drive. Could but shouldn't be RAM. Hope this is any help, troubleshooting faulty pc:s can be a pain

Nino Heđi

It doesn't matter if it's closed loop. You need to refill it from time to time and tank is usually attached to pump so you can easily refill it.

Leo Rojas

I looked up the model and since it’s sealed it’s not supposed to need it.

Nino Heđi

If you can't find what i recommend ask for thermal paste that is equivalent to it.

melissan

Thanks! As there is no pump noise, this is probably the cooler, right?

Anonymous

If the freeze happens even when the CPU isn't under high stress, such as rendering or running other heavy software, I'd say it's probably not the CPU or it's cooler that's causing the issue right now. 92°C CPU temp is still an issue but if freezing even when not under high load it's probably not the issue right now.

Anonymous

If your computer gets too hot, but starts up again after a certain time, it is actually always a problem with the system cooling. Disconnect the power cable, open the PC and first grab a hoover and hold the nozzle against all the cooling fins and the outside of the power supply unit. Check that all fans are working, including the power supply fan. Still too hot? Call in a professional!

Anonymous

Going to say the pump on the AIO has prob failed, have you got the heatsink that came with the CPU?

Myra

If you open the case and visually can confirm that the cpu cooler is not working while you do a stresstest then it most likely is broken and needs to be replaced. Had a similar issue recently were my computer shut itself down because the cpu cooler wasnt working properly.

melissan

Today really isn't my day. I opened the case, but I guess I wasn't paying attention and the glass window panel broke into a thousand pieces :( Anyway, the cpu cooler is rotating but there is no pump noise.

elenad225

Yeah.. your pump is dead, a 120mm was definitively not enough cooling for that cpu so it had to work really hard all the time.. you’ll need at least a 240mm

Anonymous

Closed loop means you shouldn't need to refill it, and likely there isn't a way to refill it since the system is sealed. If your machine is a few years old it could be the thermal paste needs replacing.

aldiali

Or get an air cooler of decent size. Theres no pump that can fail on you. BeQuiets "Dark Rock 4" i.e. should be plenty. Or if you wanna go overkill, get the Noctua NH-D15.

Myra

One of those days huh? :D Maybe it's a sign for a few days vacation until all technical problems are fixed. 💙