HT201295: Reset the System Management Controller (SMC) on your Mac

Learn about Reset the System Management Controller (SMC) on your Mac
Pablo731
Level 1 (4 points)
Apple Music

Q: iMac fan is constantly running after resetting SMC

My iMac fan just started to run constantly with no CPU activity.  Tried to reset SMC and fan still is running.

iMac, Mac OS X (10.5.7)

Posted on Sep 25, 2015 6:03 PM