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For example, maybe the dreaded spinning beach ball pops up onscreen the progress bar stalls for a worryingly long period of time, or the screen goes black. In the worst case scenario, your Mac will hit a problem midway through installing a new release of macOS. If none of the above fixes work, then you may also want to try downloading the latest version of macOS directly from Apple’s website. Hopefully, you’ll have better luck the second time around! Once the download has been cancelled successfully, start it again by clicking the ‘Update’ button.Press the ‘Option/Alt’ key, and then cancel the download when prompted.Select the ‘Updates’ tab, and locate the system update that you’re struggling to download.Navigate to ‘Applications,’ and launch the App Store.Mac OS - How To Fix “Installation Failed” - Error Occurred While Installing Updates If you can’t detect any issues with your connection, then cancelling and restarting the download can sometimes resolve a whole host of miscellaneous problems: However, as a quick fix you may get positive results by moving your Mac closer to the router, or connecting to your network using an ethernet cable, which tends to result in a stronger, faster Internet connection. We have a number of articles on how to boost your Wi-Fi signal, or diagnose why your Mac is struggling to connect to the Internet. If Apple’s servers appear to be online and functioning correctly, then the next step is to check your Internet connection. Unfortunately, when there’s a problem with the macOS update servers, there’s not much you can do except wait for Apple to resolve the problem. If one or more issues are displayed alongside the ‘macOS update’ section, then you’ll know that the fault lies with Apple, and not with your Mac or network connection. You can check whether there’s any known issues with Apple’s servers, at their System Status page. Whenever a new version of macOS is released, enthusiastic Apple users have a tendency to rush to get their hands on it, which can cause Apple’s servers to become overwhelmed, or even knock them offline completely.
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If you’re struggling to download the macOS installer, then there’s a chance that Apple’s servers could be to blame.
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However, there may be times when this important file simply refuses to download, which makes it impossible to update your Mac. The first step to updating your Mac, is to download the appropriate installer.
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