Sep 28, 2016 - Once the system has booted, four macOS Utilities are listed, one of which is Disk Utility (see image below). Click Disk Utility to select it, then click the Continue button. The familiar Disk Utility window appears. Click on the drive requiring repairs, then click First Aid again. With OS X El Capitan and later versions of the Mac OS, Apple changed the process for using Disk Utility to clone a Mac’s drive.While it's still possible to create an exact copy (a clone) of any drive connected directly to your Mac, the changes made to Disk Utility means there are extra steps involved if you wish to use Disk Utility’s Restore function to clone your startup drive.
Unable to mount Macintosh HD in Disk Utility on macOS High Sierra and access the data stored on the Mac hard drive? This article will show you how to fix Macintosh HD not mounted on High Sierra Disk Utility issue without losing data. Macintosh HD not mounted problem is quite common no matter you're running, Mojave or earlier Apple operating systems.
Once the Macintosh HD won't mount in Disk Utility, all the data on the Mac hard drive becomes inaccessible, and most of the operations are greyed out or disabled except the Erase button. But erasing process will wipe out all the data stored on the Macintosh HD. So, what to do to avoid data loss when Macintosh HD is unmountable in Disk Utility High Sierra? Read on and you'll learn:. Part I: Why Macintosh HD not mounted in High Sierra Disk Utility? If Macintosh HD can't be mounted in Disk Utility, it's mainly because that the file system of the drive is corrupted and the operating system can't recognize it.
In general, the corruption is due to incorrect formatting of the disk, power failure, partition table damage, virus attacks, disk corruption and others. Part II: How to recover data when Macintosh HD not mounted in High Sierra/Disk Utility?
Pro tips: Before fixing the Macintosh HD not mounted in High Sierra Disk Utility issue, please stop using the Mac computer and make sure you have a backup copy of the Mac hard drive. That's because, your any further operation on the Mac computer, including troubleshooting the Macintosh HD errors, may write new data to the unmounted Mac hard drive and overwrite the original data. Without backups, you need to recover data from the not mounted Mac hard drive with. IBoysoft Mac Data Recovery is which helps you recover data from the unmountable Macintosh HD, and recover data from corrupted drives, etc. It is fully compatible with, High Sierra and earlier. It supports documents, pictures, audios, videos, emails, etc. And different storage devices such as hard drives, external hard drives, USB flash drives, SD cards, etc.
Method 1: If you have only one Mac computer If you have only one Mac computer, please directly and recover lost data from the unmountable Macintosh HD. Method 2: If you have two Mac computers Step 1: Download iBoysoft Mac Data Recovery on another Mac computer. Step 2: Install and launch iBoysoft Mac Data Recovery on the healthy Mac computer. Step 3: Click iBoysoft Data Recovery on the menu bar and then select 'Create Boot Drive'. Step 4: Insert a USB drive into the healthy Mac computer.
Step 5: Follow the wizard to create a bootable recovery drive on the USB drive. Step 6: When the creation process completes, you can insert the USB drive into the unbootable Mac computer, and then press the Power button to start the Mac up. Step 7: Select iBoysoft Mac Data Recovery from the boot options.
Step 8: Follow the wizard to scan for the lost data on the unmounted Macintosh HD. Step 9: Choose the files you want to get back, and then click Recover button. Part III: How to fix Macintosh HD not mounted in High Sierra Disk Utility? After recovering data from the Mac hard drive that is not mounted in Disk Utility High Sierra, you can follow the solutions to fix the issue.
Solution 1: Repair the unmountable Macintosh HD in Recovery Mode If the Macintosh HD is unable to be mounted in Disk Utility normally, you can try to fix it with Disk Utility's First Aid in Recovery Mode. Step 1: Boot your Mac into Recovery Mode. Start your Mac and hold down the Command and R keys simultaneously until you see an Apple logo or spinning globe.
![Mac Mac](/uploads/1/2/5/4/125401266/221999002.png)
Then release the keys. Step 2: Select Disk Utility from the macOS Utilities menu. Step 3: Select the unmountable Macintosh HD from the left-hand panel. Step 4: Click First Aid on the top of the window and wait while it verifying and repairing errors. Solution 2: Fix Macintosh HD not mounted issue with Terminal If in High Sierra, you can then try to fix it with Terminal. Step 1: Boot your Mac into Recovery Mode.
Step 2: Click Utilities from the menu bar and select Terminal from the drop-down list. Step 2: Enter diskutil list. This will list out the available volumes.
Step 3: Check the volume identifier from the table that appears. (For example disk 2s) Step 4: Enter diskutil repairVolume/disk 2s. (Replace disk 2s with the volume identifier of your Macintosh HD) Solution 3: Run FSCK command in Single User Mode FSCK is a command-line tool to check the consistency of a hard drive and repair disk errors.
If the solutions above are unable to fix Macintosh HD/ issue, you can have a try. Step 1: Restart your Mac and, before the Apple logo appears, hold down Command and S keys.
This will boot your Mac into Single User Mode. Step 2: Type in: /sbin/fsck -fy. Step 3: If you see 'File system was modified', then re-type in the command again until you see 'The volume name appears to be OK'. Step 4: Type in reboot to restart your Mac. Solution 4: Try Safe Mode When trying to boot into Safe Mode, macOS will scan and repair any errors it finds on the disk. To boot into Safe Mode: you need to shut the Mac down and start it up while holding down Shift. Release the Shift key when you see the login window.
Should your computer boot properly, try restarting and booting as normal. Solution 5: Erase the unmountable Macintosh HD and reinstall macOS If you failed to repair the unmountable Macintosh HD through the solutions above, the final chance is to reformat it. But as you know, reformatting will erase all the data stored on the Macintosh HD.
Please make sure you have backed up with iBoysoft Mac Data Recovery. Step 1: Boot your Mac to Recovery Mode. Step 2: Select Disk Utility from the macOS Utilities menu.
Step 3: Select the unmountable Macintosh HD from the side bar. Step 4: Click on Erase from the top. Step 5: Setup the required information to reformat the disk and click Done when finished. Step 6: Go back to macOS Utilities screen and select Reinstall macOS. What to keep in mind: Once you encountered the /High Sierra/Disk Utility error, the first thing you should do is to save your data on the Mac hard drive. Without regular backups, a data recovery program like iBoysoft Mac Data Recovery will help you recover data from the unmounted Mac hard drive.
Then, try to fix the Macintosh HD not mounted issue.
Starting in OS X El Capitan, to add new features and remove others. As of macOS Sierra, it appeared at first that the abilities to unlock or decrypt a FileVault 2-encrypted drive had both been removed from Disk Utility.
After some investigation though, it looks like the ability to decrypt has been removed, but you can still unlock using Sierra’s Disk Utility. For more details, see below the jump.
Boot your Mac and hold down ⌘-R (Command –R) to. Note: You can also boot from and use any other 10.12.x-booting drive. As long as you have macOS Sierra’s Disk Utility, the process below should work. Open Disk Utility. Select your locked FileVault 2-encrypted boot drive.
Under the File menu, select Mount to mount the drive. The mount attempt should generate a password prompt to unlock the encrypted drive. When prompted for a password, you can enter the password of any FileVault 2-enabled account on the drive. Once you have unlocked the drive, you should then be able to use Disk Utility’s repair tools to hopefully fix whatever problem your Mac is having.