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Overheating but fans not turning on

My Macbook Pro is running around 80C and the fans aren't turning on. I have no idea what to do. Usage is only ~8%. I mostly run Chrome which I know is a beast but I have never had an overheating problem before.

Posted on Dec 7, 2022 12:24 PM

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Question marked as Top-ranking reply

Posted on Dec 7, 2022 4:43 PM

Try running the Apple Diagnostics to see if any hardware issues are detected. This will tell you whether there are any obvious hardware issues with the temperature sensors and fans. It is not unusual for recent Intel Apple laptops to run at 65C to 90C. In fact the system will generally tend to keep the temps in this range and the fan speed may only have a minimal increase in speed.


Otherwise the laptop is most likely operating normally. These Apple laptops do tend to run hotter than the older laptops even under seemingly simple tasks, and web browsing especially with a Chromium based browser can easily cause this problem especially if the browser and/or laptop have not been rebooted in a while.


You may also have some other software issue (most likely third party software) that is interfering with the normal operation of macOS. Or perhaps even some externally connected device (less likely).


2 replies
Question marked as Top-ranking reply

Dec 7, 2022 4:43 PM in response to AllieTaly

Try running the Apple Diagnostics to see if any hardware issues are detected. This will tell you whether there are any obvious hardware issues with the temperature sensors and fans. It is not unusual for recent Intel Apple laptops to run at 65C to 90C. In fact the system will generally tend to keep the temps in this range and the fan speed may only have a minimal increase in speed.


Otherwise the laptop is most likely operating normally. These Apple laptops do tend to run hotter than the older laptops even under seemingly simple tasks, and web browsing especially with a Chromium based browser can easily cause this problem especially if the browser and/or laptop have not been rebooted in a while.


You may also have some other software issue (most likely third party software) that is interfering with the normal operation of macOS. Or perhaps even some externally connected device (less likely).


Dec 7, 2022 2:59 PM in response to AllieTaly

AllieTaly wrote:

My Macbook Pro is running around 80C and the fans aren't turning on. I have no idea what to do. Usage is only ~8%. I mostly run Chrome which I know is a beast but I have never had an overheating problem before.


M1/M2 — Try a SafeBoot How to use safe mode on your Mac - Apple Support will sort many anomalies



Intel — Try resetting the SMC Reset the SMC of your Mac - Apple Support



Keep your Mac notebook within acceptable operating temperatures

Keep your Mac notebook within acceptable operating temperatures - Apple Support




Overheating but fans not turning on

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