kernal_task is over 90% Fans on full, but cpu is not hot! MBP so SLOW
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?
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Let's check your thermal and voltage sensors!
Install this great app TG Pro take a snapshot of the apps main window so we can see all of the sensors and fans (you may need to adjust the window size a bit so they are all visible) Post it here for us to see Adding images to an existing question
For the voltage sensors you'll need to run the onboard diagnostics. Restart your system and hold the D key. Depending on the version of macOS it might not work as Apple messed up the systems firmware within the newer OS's. If it works tell us the exact error code/s you get.
Reference: Mac startup key combinations
из Dan