Q: Macbook Pro overheating after OS X update (10.10.3)?
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Apr 9, 2015 9:43 AMby Allan Jones,Please see this Apple article:
You need to make one minor change in the procedure with OS 10.9 and 10.10. In the vry importatn Step 3, you are shown how to make Activity Monitor (AM) show all process instead of the default "My Proceses." Starting with OS 10.9, the option to show all processes was moved from the window's toolbar to AM's "View" menu:
Another suggestion: AM will not pick up all the bad actors if you do the procedure immediately after a restart. Use the computer normally for a day or so before doing the test,
Another common cause of overheating are third-party anti-virus or so-called "cleaning/optimization/tune-up" apps. They casue many more problems than they claim to fix and will make your Mac run like a 15 year-old PC.
