Chosen Solution
kernal_task is over 90%. Fans on full, but CPU is not hot! 47º Celsius Mid 2009 13” MBP 5,5 is SLOW like molasses. This happens even with a fresh wipe and install of El Capitan. EtereCheck no problems but took a longer than usual. Reset everything and problem still persists. It’s been 3 weeks now, driving me around in a twist! Any clues?
Hello, you can check this discussion about a similar issue and maybe you’ll find some clues or a solution. Why is my fan making loud noises?