MacBook Air (2011) fan
The fan all of a sudden will not shut off. I've held down shift control option and off buttons for 10 seconds (which used to work) and it shuts off. After 10 seconds I tap the on button it quietly comes on
then the fan starts. It is on a flat surface. I don't know how to reset the SMC or PRAM which some have suggested. The is a new software to be installed. I still have unused storage but could reduce it. Some say clean the fans? I would need to take the back off and then it is pandora's box.
MacBook Air 13″, macOS 11.6