Once Mac’s startup disk is formatted, return to the Utilities window and select Install macOS > Choose the recently erased startup drive to install macOS > Follow onscreen prompts to complete the installationĮxtra Tip: Recover Lost Data due to macOS 10.3 High Sierra Update.Once the USB drive is booted, select Disk Utility> Choose Mac’s startup from the list > Click Erase.Select the disk called Install macOS Sierra in the drive list that appears on screen.Connect a USB bootable drive to your Mac and restart the Mac by holding Option until you hear the reboot tone.
Enter the Administrator password if necessary. The command will create a bootable Sierra installer on the USB drive.Ensure USB named Untitled is connected to Mac > Type below command in Terminal and hit Enter: sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/SierraBootInstall -applicationpath /Applications/Install\ macOS\ Sierra.app -nointeraction &say Done.Name USB as Untitled > Choose OS X Extended > Click Erase > Open Terminal once the USB is formatted and finish downloading macOS Sierra.
Disable or uninstall any Anti-virus software on your Mac.Install macOS Update in Safe Mode to Fix the macOS High Sierra 10.13 Update Stuck Error You can go with two troubleshooting methods to fix the macOS 10.13 installation failure error: Method 1. Part 2: Fix macOS 10.13 High Sierra Fails to Install/Gets Stuck or Freezes while Installing Click Apple Menu> Select App Store > Click Update next to macOS Sierra in the Update section.Reboot Mac and retry downloading a new macOS Sierra update 10.13.Open Launchpad > Delete " Install macOS Sierra" file with a question mark on it.If you get stuck or fail to install the downloaded macOS 10.13, follow any one of the below tips to fix the issue: Part 1: Fix macOS High Sierra 10.13 Downloaded But won’t Install If you cannot download or install macOS 10.13 update on your Mac, or macOS 10.13 gets stuck, freezes or fails to install, don’t panic and just simply follow these instructions. If you are trying to find effective solutions to fix macOS High Sierra update stuck or failure error, you are at the right place.