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Today I've updated my macbook air 2020 to the Catalina version 10.15.7. After the update, I've noticed that, the cooling fan is not speeding up and the macbook is heating. The fan RPM is not exceeding more than 3000. I've tried to reset the SMC & NVRAM but the problem is still exists.
MacBook Air 13″, macOS 10.15
There might not be a problem. Apple Diagnostics will readily identify an inoperative or defective exhaust fan: Diagnose problems with your Mac.
The following Apple Support documents explain Mac fan activity:
About fans and fan noise in your Apple product - Apple Support
See how apps affect Mac performance, battery runtime, temperature, and fan activity - Apple Support
Keep your Mac notebook within acceptable operating temperatures - Apple Support
There might not be a problem. Apple Diagnostics will readily identify an inoperative or defective exhaust fan: Diagnose problems with your Mac.
The following Apple Support documents explain Mac fan activity:
About fans and fan noise in your Apple product - Apple Support
See how apps affect Mac performance, battery runtime, temperature, and fan activity - Apple Support
Keep your Mac notebook within acceptable operating temperatures - Apple Support
MacBook Air Fans Not Speeding Up After Update
