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The reinstallation process will start shortly and roughly take 30 minutes.
#Imac os reinstall reddit mac os#
Select the hard drive you’d like to reinstall mac OS Catalina to and click Install.Īutomatically update all your software for Catalina.In the first window, select Reinstall macOS ➙ Continue.Restart your Mac and then hold down ⌘ + R to activate Recovery Mode.The correct way to reinstall macOS Catalina is to use your Mac’s Recovery Mode: Surprisingly, you won’t find it in Software Update or even App Store (where it used to be in macOS High Sierra).
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With your Mac in top shape, it’s time to get that macOS Catalina download link. Reinstall macOS Catalina in Recovery Mode
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At last, your Mac is ready to take full advantage of macOS Catalina. Which directly translates into improved processing power, memory usage, and response time. Now your Mac is free of all the pointless log files, user caches, language files, old updates, and more. Uncheck anything you’d like to keep and click Clean.Click Scan and wait for the process to complete.Open the app and navigate to System Junk in the left-side panel.Download a free version of CleanMyMac X.Optimizing behind-the-curtain processes on your Mac with CleanMyMac X is no more difficult than clicking a single button:
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Luckily, there’s a professional automatic solution available - CleanMyMac X. While it’s possible to clear out some of them manually, others require specific technical knowledge and lots of time. Just like the dust behind your couch or on the top of your kitchen cupboards, small bits of system files, caches, and hidden libraries tend to aggregate over the years and never get deleted, eventually slowing down everyday processes. But don’t hurry to your local Apple Store just yet - not all is lost. Trying to get the most out of macOS Catalina on your older machine might be a challenge. If only the latter is new, the experience could be subpar. There’s nothing better than the feeling of a brand new Mac with a brand new macOS.
