The powerful Mac data recovery software can help you get back videos, music, documents, emails and many other files due to macOS Sierra 10.12.1 update failures. During this time, you can run FoneLab Data Retriever to recover deleted or lost Mac files without backup. Safe Way to Recover Lost Data after macOS Sierra 10.12.1 Updateĭata Loss always comes with Mac update stuck errors. If you delete the data accidentally, you can also use FoneLab Data Retriever as a Recycle Bin Data Recovery to get the lost data back with ease. Step 4Reboot Mac and restart the Wi-Fi router to fix macOS Sierra 10.12.1 update stuck or fail to download error. Step 2Type /Library/Preferences/SystemConfiguration/ in the “Go to Folder” window. Hold and press Command, Shift and G keys simultaneously. Step 1Click any empty space on the desktop. Remove Outdated Wi-Fi Preferences If macOS Sierra 10.12.1 Won’t Update Note: The minimum storage space requirement is 9GB for booting Mac in Safe Mode.
Step 5Reinstall macOS Sierra 10.12.1 update in Safe mode to fix Mac OS update failed errors. Step 4Sign into your account in the login window. Step 3Release Shift when you see the Apple logo on the Mac screen. Step 2Power on Mac while holding the Shift key on your keyboard. Step 1Long press Power to shut down your Mac computer. Update macOS Sierra 10.12.1 in Safe Mode When It Fails Otherwise, your Mac may freeze during the macOS Sierra 10.12.1 update. It would be better if you plug Mac into a power source. Moreover, you need to leave more than 50% battery on your Mac computer. Make sure there is at least 2GB memory and 8.8GB storage space. You can delete some large files manually, like previous downloaded movies, inactive software and more.īy the way, you can use Mac cleaning software to delete junk files completely. In another word, you need to leave enough storage space to fix macOS Sierra 10.12.1 update stuck error. The Mac installation error can be caused by the shortage of startup disk storage space too. Free Up Enough Storage Space for macOS Sierra 10.12.1 Update If the icon is green, it means the macOS Sierra 10.12.1 update error is not caused by Apple’s server.
Step 2Find macOS Software Update in the list. Step 1Visit to access Apple System Status page.
Check System Status Page When macOS Sierra 10.12.1 Update Freezes
Step 3Download and install the macOS update again. Step 2Visit the Mac App Store or the Apple Support site. Click the Cancel option to cancel a Mac update in progress. Step 1Find the software you are downloading. Cancel and Re-download macOS Sierra 10.12.1 Update Pack