Why is my CPU idling around 80°C?

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Asked By TechWizard42 On

Hey everyone,

I built my PC about four years ago, and until recently, it was running fine. However, for the past year, I've been dealing with overheating issues on my CPU. At first, it was sporadic, but it has become more frequent and severe. When I switch to the silent profile in MSI Dragon Center, the temperatures drop to 40-50°C at idle, but they still spike when I game, sometimes shooting up to 112°C, which caused my system to crash (that was a one-time incident, but I often see temps exceeding 90°C).

Currently, my CPU idles between 75-80°C even with no load (task manager shows CPU usage below 10%). I've got additional cooling with six case fans and three from my AIO cooler; however, while the AIO's heat plate is warm, the radiator itself doesn't feel hot.

Here are my key components:
- MAG X570 Tomahawk WiFi
- AMD Ryzen 5 5600X
- Lian Li Galahad AIO (2021)
- NVIDIA GeForce RTX 3060 Ti
- 32 GB DDR4 Crucial Ballistix

I've attempted a few fixes:
1. Reapplied thermal paste.
2. Cleared dust from the system.
3. Checked BIOS for fan settings.
4. Removed MSI Dragon Center due to reports of issues.
5. No overclocking done.

Potential faults I've found:
1. Some Lian Li AIO models pre-2022 have known issues; I've submitted a claim for a replacement.
2. Noticed clock speeds around 4600+ MHz in NZXT Cam—could this hint at motherboard or chip issues?

Any insights or advice would be super helpful! Thanks!

4 Answers

Answered By CoolingExpert22 On

From everything you've described, it's likely an AIO problem. That seems to be a common issue for those models!

TechWizard42 -

Thanks for the insight! It really feels like the AIO is to blame.

Answered By GamerDude99 On

It sounds like your AIO cooler has likely failed. If you've done all that troubleshooting, replacing it should help bring those temperatures down. Keep an eye on the new one you’re getting!

TechWizard42 -

Thanks! I suspected that might be the case.

Answered By ChillPills On

Given what you've shared, the AIO seems to be your main issue here. Definitely get that replaced as soon as possible to avoid any permanent damage to your CPU!

TechWizard42 -

Thanks! I'm hoping the replacement comes through quickly.

Answered By TempTracker101 On

That's quite high for your CPU! The max temp is 95°C, and it should shut down before hitting those levels. It could be worth double-checking your temperature readings to ensure they're accurate. Sometimes software can misreport temps.

TechWizard42 -

Yeah, I noticed that reading in MSI Dragon Center at the time. It did shut down when hitting 112°C, so I'm switching to NZXT for monitoring now.

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