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Mac fails to start up after High Sierra update In which case, deleting or moving the damaged package and re-downloading from the App Store should fix the issue. If the problem continues, the installer itself could be corrupted. Try Safe Modeīooting to Safe Mode may resolve installation issues that occur in the initial stages of the process. If you're low on space, you can take steps to add or reclaim storage on your Mac and create more room for your High Sierra installation. You can view available space on your startup drive in Apple Menu > About This Mac > Storage or in Disk Utility. High Sierra requires 14.3GB of free space to perform an upgrade. Check available disk spaceīefore starting the installation, you should ensure that you have enough disk space to accommodate the new OS. If you receive an error during installation, you'll need to troubleshoot the issue further.

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If the installer doesn't open automatically, you can locate the package - named Install macOS 10.13 - in your Applications folder.

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When your High Sierra download completes, macOS should prompt you to begin the installation process. Any one of Safe Mode's many functions could resolve your High Sierra download issue. Booting to Safe Mode prevents third-party processes from launching, clears certain caches, and performs a disk check on startup. Safe Mode is an excellent troubleshooting tool when you suspect that rogue applications are causing problems. If a cabled connection isn't possible, you can take steps to speed up and stabilize your Wi-Fi connection, including running diagnostics to identify any issues.

Ideally, you should connect to your router with an ethernet cable when downloading large files. Internet connection issuesĪn unstable internet connection can cause downloads to fail. Additionally, checking the system status of the service you're trying to use is an excellent way to rule out a server issue. Sometimes, rebooting your Mac and waiting an hour or two before trying again could be enough to fix the problem. Occasionally, overloaded servers or temporary glitches on Apple's end can cause App Store issues. Your High Sierra download could fail for several reasons. When downloading, the process can repeatedly fail, usually displaying error messages like: macOS High Sierra download has failed or Installation of macOS could not continue. When upgrading to a new operating system, issues can arise during the download phase. Install MacKeeper now and keep your Mac malware-free. Once you launch the app, you can test drive each tool at no cost. Click Start Scan and remove any threats.Fortunately, MacKeeper can help keep your system clean and virus-free.

MacBook short battery life after High Sierra upgradeĮarlier versions of macOS that no longer receive regular security updates are vulnerable to malware.

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Mac slows down after High Sierra upgrade.

Some apps won’t work in macOS High Sierra.

Mac keeps logging you out of High Sierra.

Mac fails to start up after High Sierra update.

Let's discuss how you can remedy all of the common problems that can arise in macOS High Sierra. High Sierra may no longer receive updates, but that doesn't mean the well-aged OS doesn't have some lingering issues. Although Apple released macOS High Sierra in 2017, many of us still rely on earlier operating systems to accommodate older Macs and run outdated applications.

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