There's nothing more frustrating than sitting down to work on your iMac, only to watch the spinning beach ball appear for what feels like the hundredth time today. You click, you wait. You open an app, you wait some more. What was once a sleek, powerful machine now feels like it's trudging through molasses.
If your iMac is running slower than usual, you're not alone. Sluggish performance is one...
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