Fan stays on and wont go off and loud
why is the fan on my MacBook pro staying on all of a sudden
MacBook Pro 13″, macOS 11.1
Hi,
Resetting SMC could solve the fan issue, if your MacBook Pro has Intel CPU.
How to reset the SMC of your Mac - Apple Support
Also run Apple Diagnostics if it reports fan related error(PPF001, PPF003, PPF004) or SMC error(PFM001 to PFM007).
Use Apple Diagnostics to test your Mac - Apple Support