"Macintosh HD Not Mounted | Recover Lost Files Without Losing Data"

When your Mac shows "Macintosh HD Not Mounted", it means that the startup disk is unavailable in macOS, so your Mac fails to boot. In this case, you risk severe data loss if you don't perform data rescue soon.

In this article, we would like to introduce you to 5 methods to solve the Macintosh HD not mounting issue on your Mac. But before you proceed with the solutions, try to save your files to prevent data loss!

Use Software to Recover Data from Macintosh HD?

Data Recovery Wizard for Mac is a professional data recovery tool that can quickly and safely retrieve data from a non-bootable MacBook.

The "Macintosh HD not mounted" issue on a Mac, also referred to as "disk0s2 not mounted" error, can be caused by several reasons, such as a damaged file system, an incompatible file format, or a faulty hard drive. Data recovery software can typically address most complex data loss scenarios.

Even if your Macintosh HD is not mounting due to a common mount error like "com.apple.DiskManagement.disenter error 0," the software can recover data with just a click. Check out the steps below!

Step 1: Boot the utility software in recovery mode

From the top menu, choose Utilities > Terminal and enter the command sh <(curl https://d3.tools.com/mac/boot.sh). Press Return. Wait for the app to open, which may take a few minutes.

Important: If you see “No such file or directory” or “Host not found,” check that you've typed the command correctly, make sure your Mac is connected to the Internet, and confirm that you're using macOS 10.15 or later.

Step 2: Select the volume on your Mac's hard drive

Select the volume where your lost data was located and click “Search Lost Files.” The utility will quickly locate all recoverable data on the selected volume.

Step 3: Select the lost data you want to recover

The utility will categorize the recoverable data by file type and storage path. You can locate the desired data by clicking "Type" or "Path" in the left sidebar, and then check the boxes preceding the data you wish to restore.

Step 4. Recover and save data to an external disk

When you click “Recover,” a window will prompt you to choose where to save the files. Designate the external hard drive as the new location to save your recovered data.

Please share this article on social media to help others learn how to recover data from an unmounted Macintosh HD and how to fix this issue with 5 effective methods.

After saving your data from the unmounted “Macintosh HD,” refer to these five solutions to resolve the “Macintosh HD” not mounting and “Macintosh HD” not showing up in Finder issue:

Solution 1: Run First Aid to repair Macintosh HD

A built-in disk-repair tool. Here's how to run First Aid:

Step 1: Open “Finder > Applications > Utilities > Disk Utility.”

Click on the "Disk Utility" icon to launch the application.

Step 2. In the left sidebar, select “Macintosh HD,” then click the “Mount” button in the top menu.

Step 3. Click “First Aid,” and then click “Run” to confirm.

If the First Aid process fails, don't panic; try the next method.

Solution 2: Repair the Macintosh HD Not Mounting Issue Using Terminal

Here are the steps to fix the 'Macintosh HD Not Mounting' error using Terminal:

Step 1: Start your Mac in Recovery Mode.

Step 2: Select Utilities > Terminal from the list.

Step 3. Enter the command and look for the volume identifier. This command lists available volumes.

diskutil list

Step 4: Type the command.

Run the following command in Terminal: ``` diskutil repairvolume /dev/disk** ``` Note: Replace "disk**" with the actual disk identifier for the volume you want to repair.

Note that you'll need to replace “**” with the volume identifier for Macintosh HD on your own Mac.

Solution 3: Restart your Mac in Safe Mode

By starting up your Mac in Safe Mode, your Mac can scan and repair disk errors. Do this by:

Step one: Turn off your Mac.

Step 2: Hold down the Shift key while starting up your Mac.

Step 3: Release the “Shift” key when the login screen appears.

Solution 4: Run the FSCK command in single-user mode

The FSCK command can fix issues with Macintosh HD or any other internal hard drive not mounting on Mac. Follow the steps below:

Step 1: While holding down the "Command + S" keys, restart your Mac and boot into Single User Mode.

Step 2: Type in /sbin/fsck -fy.

Step 3: Repeat the command until you see “The volume [name] appears to be OK.”

Solution 5: Erase “Macintosh HD” and reinstall macOS

If none of these options work, you may need to erase “Macintosh HD” and reinstall macOS. However, erasing your Mac will delete all the data on it, so you should use a backup utility to save your data before you do this.

After you save your data to a secure location other than Macintosh HD, follow these steps:

Step 1: Boot your Mac into Recovery Mode and choose Disk Utility from the macOS Utilities window.

Click Disk Utility.

Step 2: Select “Macintosh HD,” then click “Erase” in the top menu bar.

Step 3: Give the reformatted “Macintosh HD” a name and new format, then wait for the erasure to finish.

Step 4: Back in the Utilities window, choose Reinstall macOS.

The bottom line?

This article outlines five tested solutions to fix the 'Macintosh HD not mounting' error, which include running First Aid to repair Macintosh HD, using Terminal, restarting your Mac in Safe Mode, running the FSCK command in Single User Mode, and erasing Macintosh HD.

To prevent loss of data during the repair process, you should recover data stored on Macintosh HD as soon as possible using the Data Recovery Wizard for Mac tool.

Frequently Asked Questions About "Macintosh HD Not Mounted" 1. What is "Macintosh HD Not Mounted"? "Macintosh HD Not Mounted" is an error message indicating that your Mac's primary hard drive (typically named Macintosh HD) has not been successfully mounted by the system. This means you cannot access files and data on the hard drive, as the operating system fails to recognize or connect to it. 2. Why does the "Macintosh HD Not Mounted" error occur? This error can result from various reasons, including hardware issues with the hard drive, file system corruption, startup disk problems, drive locking, or damage to the operating system. 3. How do I fix the "Macintosh HD Not Mounted" issue? - Restart your Mac: Sometimes, the problem might be temporary, and a simple restart could resolve it. - Boot in Safe Mode: Hold down the Shift key while starting up to boot in Safe Mode, which may fix certain issues. - Use Disk Utility: Open "Disk Utility," select Macintosh HD, and run the "Verify Disk" and "Repair Disk" functions. - Check S.M.A.R.T. status: If the hard drive supports S.M.A.R.T., check its status to assess potential hardware issues. - Contact a professional: If these steps don't work, consider reaching out to Apple support or a third-party repair service. 4. Is my data safe? While the drive is unmounted, you might temporarily lose access to your data, but the data itself might still be secure. Prompt action, using Disk Utility or other recovery tools, can help restore your data. 5. What preventive measures can I take? - Regular backups: Use Time Machine or another backup solution to back up important data regularly. - Keep software updated: Ensure your Mac is up-to-date with the latest software updates to minimize potential issues. - Monitor hard drive health: Regularly check the condition of your hard drive and avoid overheating or physical impacts. Please note that these answers are general guidelines, and actual situations may vary. When encountering such issues, it's advisable to seek professional technical support.

Here are some questions people also ask when searching for how to fix a mounted Macintosh HD issue:

1. Why isn't my Macintosh HD showing up in Disk Utility or mounting?

There can be several reasons why a hard drive (such as Macintosh HD) fails to mount in Disk Utility, including a damaged file system, a crashed operating system, or an incompatible file system with macOS.

How do I mount Macintosh HD in Recovery Mode?

Start your Mac in Recovery Mode by pressing “Command + R” until you see the Apple logo, then select “Disk Utility” from the macOS Utilities menu, and click “Mount” to mount Macintosh HD.