By Matthew E. Milliken
MEMwrites.wordpress.com
Feb. 28, 2021
When I last wrote about my computer, in October, I had just decided to put off reformatting the hard drive. That fairly radical step was recommended by an Apple Store technician, who had determined that certain mysterious software processes on my mid-2015 13-inch MacBook Pro were using up a big chunk of processing power. That seemed to be the reason why the machine was running extremely hot, a phenomenon that I first noticed in the spring.
My plan back in October was to wipe the hard drive when I was ready to upgrade from macOS 10.15, also known as macOS Catalina, to macOS 11. The newest Macintosh operating system, also called macOS Big Sur, was released in mid-November after having been announced in June.
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