It’s probably because it wasn’t supported by the new APFS file system. Getting the rainbow wheel every few seconds after upgradeĬheck console.app and if you’re getting errors from sandboxd and hidd (IOKit), your problem is a third party software. If you have a copy of macOS Server in your applications folder, that may be the root of the problem. If that doesn’t work, try deleting the downloaded installer (it’s in your Applications folder) using CleanMyMac and download it again.

Find macOS High Sierra and click Install.Launch the App Store app and go to the Purchases tab.If the download completes successfully but the installation doesn’t finish, force quit the installer using the same procedure as above. Re-launch the App Store and try downloading again.Select the App Store app and confirm you want to force quit.Press Cmd-Alt-Esc or go to the Apple menu and choose Force Quit.If you’ve done that, and managed to start the downloading process only for it to fail, force quit the App Store app. If you’re trying to download the macOS High Sierra installer, you’ll need to have signed up to App Store.

Here’s how to fix the most common High Sierra issues. While most new versions of macOS are relatively problem-free, it’s not unknown for users to have issues – particularly with a beta or. Don’t have a Setapp subscription? Click here to sign up. You can use, for example, Get Backup Pro, which comes with your Setapp subscription.

You can use any backup tool you like – Apple obviously favours Time Machine, but you don’t have to use it. If things go disastrously wrong at least you’ll be able to boot from macOS’ Recovery partition and migrate all your data back to your Mac. If you haven’t started the process of upgrading yet, check if the Mac is compatible with macOS High Sierra and make a bootable backup.ĭo it now, before you do anything else. The excitement of installing a new version of macOS, especially if its a High Sierra 10.13, is only tempered by the possibility of it not working properly or not being compatible with the apps you use most.īefore you begin upgrade to macOS make a bootable backup

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