Fix slow iMac annoyed by spinning Beachball

Math Online Tom Circle

The wonderful iMac is a “long life” machine able to last more than 10 years, but it has an annoying weakness : the frequent spinning “beachball” which slows down or freezes the computer.

Below is a very simple trick to fix the problem.

Note: to get the “Force Quit Application” Screen: press 《Command + Option + Esc》3 keys simultaneously.

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