Difficult dilemma over a desktop Mac
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The Apple 21.5-inch iMac with Retina 4K display (left) and 27-inch iMac with Retina 5K display.
PHOTO: APPLE
Trevor Tan
The spinning rainbow wheel is a common occurrence on my eight-year-old, 21.5-inch Apple iMac these days.
Many Mac users are familiar with this sight, officially known as the Spinning Wait Cursor. It happens when an app is not responding or has crashed.
