“ - When I tried to update to the new High Sierra, the Mac downloaded and rebooted as expected. But then it hung on the ‘Installing software update’ screen all day long.
- Mac OS High Sierra install failed, and no error details. ”

1. Boot Failure After Macos High Sierra 10.13.2 Upgrade Windows 10
2. Boot Failure After Macos High Sierra 10.13.2 Upgrade Kit

macOS 10.13.6 High Sierra version is the latest update for all macOS High Sierra users. You can install macOS High Sierra update for about 45 minutes to 2 hours. If the macOS 10.13 High Sierra update cannot be installed for hours, you need to take measures to solve the problem.

I am using Niresh's High Sierra Zone, and after installing the 10.13.2 combo update, it said that the install failed. I have a fully working hackintosh thats on High Sierra Zone, just on 10.13.0. Please don't tell me to use Unibeast because this works just fine. After the installation of macOS High Sierra Version 10.13.2 Update, Windows 10 Fall Creators Update (Version 1709) does no longer start as expected. Repairing within Windows 10 was not possible so far. Hints regarding attachments. Bluescreen: INACCESSIBLE BOOT DEVICE. Automatic Repair: 'C: WINDOWS System32 Logfiles Srt SrtTrail.txt' does not exist.

Well, these are workable ways to fix macOS 10.13 high Sierra update failure successfully.

Guide List

Pre-Release MacOS High Sierra 10.13.2; Welcome to InsanelyMac.com - No more ads! Seems to be the same with or without those boot flags. So until we have an. Jan 08, 2018 Benchmarking the differences between macOS 10.13.2 (17C88) and (17C205) with Geekbench v4.20 made Supplemental's performance look just fine (less than 1% computing performance difference). Unfortunately, according to Blackmagic's Disk Speed test, my MacPro-2013's PCI-based SSD device has lost more that half of it's write performance under.

1. Fix macOS 10.13 High Sierra Won’t Install after Downloading

If you fail to install the downloaded macOS 10.13 High Sierra update, you can use the following tips to fix the macOS update error.

Aviation standard practices manual. Open Launchpad. Find and delete the Install macOS Sierra file with a question mark attached.

Reboot your Mac. Then you can re-download and reinstall macOS 10.13 High Sierra update.

Choose the Apple icon on the top left corner of the screen. Select the App Store from the list. Later, you can locate the Update section to fix macOS 10.13 High Sierra won’t install failure.

You can also learn how to fix macOS Sierra won't boot after updating.

2. Solve macOS 10.13 High Sierra Update Failure via Safe Mode

You can disable or uninstall anti-virus software first. Check if your computer is under a strong and fast Internet connection. If these measures are useless, you can boot Mac in Safe Mode to fix macOS 10.13 High Sierra failed to update.

Power off your computer.

Restart Mac and hold the Shift key.

Do not release the Shift key until the Apple logo appears.

Install macOS 10.13 update in Safe Mode to fix Mac OS update failure.

Note: You can use System Information to check if your Mac is started in Safe Mode.

You can use the same way to fix MacBook Pro shuts down randomly or fix macOS Sierra 10.12.1 Update Stuck Error.

3. Troubleshoot macOS 10.13 High Sierra Update Failure with a Clean Installation

What if your macOS 10.13 High Sierra stuck or freeze while installing? It is also a frequently asked question that the Mac OS installation couldn’t be completed. During this time, you can complete a clean macOS 10.13 High Sierra update with a bootable USB drive.

Boot Failure After Macos High Sierra 10.13.2 Upgrade Windows 10

Connect the UDB drive to Mac
Download macOS Sierra 10.13.6 installation package from Mac App Store. Plug a portable USB drive to Mac. Run Finder and choose Applications in the left panel. Find Disk Utility in the Utilities folder. Select the thumb drive in the sidebar. Then choose the Format option.

Create a bootable macOS 10.13 High Sierra installer
You need to name the plugged USB drive as Untitled. Choose OS X Extended followed by Erase. After formatting the USB drive and downloading macOS 10.13 High Sierra, you can open the Terminal window. Type and following command in Terminal and then hit Enter.

sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/SierraBootInstall --applicationpath /Applications/Install macOS Sierra.app --nointeraction &&say Done

Fix macOS 10.13 High Sierra update failure
Connect this bootable USB drive to your Mac. When you restart your computer, you need to hold and press the Option key. Do not release it until you hear the reboot tone. Then select the Install macOS Sierra disk in the drive list.

Later, choose Mac’s startup disk from the Disk Utility list. Click Erase to format it. Once the process is finished, go back to the Utilities window. Choose Install macOS and install it to the recently formatted Mac startup drive.

Now you can follow the on-screen instruction to install macOS 10.13 High Sierra update completely.

4. Recover Lost Files Due to macOS 10.13 High Sierra Update

It does not matter if you forgot to make a backup with Time Machine. Actually, FoneLab Data Retrievercan help you recover any deleted or lost Mac file without data overwritten.

There is no need to recover the entire Mac backup file. You can recover the selected file on Mac with the Mac data recovery software safely and easily.

FoneLab Data Retriever

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Boot Failure After Macos High Sierra 10.13.2 Upgrade Kit

• Recover photos, videos, documents and more data with ease.
• Preview data before recovery.
• Recover data from device, iCloud and iTunes.

1. Recover lost data from macOS 10.13 High Sierra update failure, formatted partition, RAW hard drive and other crashed issues.
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4. Filter and preview any file with the detailed information.
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Have you fixed macOS 10.13 High Sierra update failure now? If not, you can write down the main symptom below. By the way, the data recovery software for Mac can work under all data loss situations. You can use this tool to recover hidden Mac files quickly too.

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