Also, you can learn how to recover lost data from not mounted Mac internal hard drive with data recovery software for Mac - iBoysoft Data Recovery for Mac. Free Download Most of the time, the Mac internal hard drive, usually known as Macintosh HD, is the system drive of the Mac computer, from which your Mac start or boot up. Provide a name and a format to erase the drive. When finished, you can mount your WD external hard drive on Mac and use it again. Hope this tutorial can help to fix WD external hard drive not mounting/showing up/recognized/detected on Mac. If you have any. Mar 02, 2015 You should use the Quick Scan feature in the event where your internal hard drive fails to boot or an external hard drive fails to mount. Data Rescue® 4 - For Mac Mac Hard Drive Recovery.
Summary: This post will show you 5 solutions to fix the Mac internal hard drive not mounting issue. Also, you can learn how to recover lost data from not mounted Mac internal hard drive with data recovery software for Mac - iBoysoft Data Recovery for Mac.
Most of the time, the Mac internal hard drive, usually known as Macintosh HD, is the system drive of the Mac computer, from which your Mac start or boot up. However, it may drive you crazy if the Mac internal hard drive won't mount. That's because once that happens, your Mac computer may be stuck on loading/login screen or not bootable at all. Besides, it's possible for you to suffer severe data loss if you handle it incorrectly.
Don't worry. Here is all you need to know about mounting the Macintosh HD, or mounting the Mac internal hard drive in macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13 or Disk Utility.
- Table of contents
- 1. How to recover lost data from unmounted Mac internal hard drive?
- 2. 6 solutions to fix unmountable Mac internal hard drive
How to recover lost data from the not mounting Mac internal hard drive?
It seems that somethings wrong with my internal boot drive. I wanted to start my Mac but the grey progress line stopped at about the half and didn't continue. I tried to boot in secured mode but not possible. I loaded recovery mode and wanted to check and repair disk utilities but I cannot hit those buttons because my drive is not mounted and cannot be mounted.
Is there another possibility to mount my drive or to access my data somehow? The thing is that I do not have a backup and that is why I need to access my data and store them somewhere prior being able to do a clean reinstall of my Mac.
Sadly, he is not the only person who suffers data loss due to unmountable Mac internal hard drive. As mentioned above, yourMac computer won't boot if the Macintosh HD isn't mounted. Moreover, your any attempts to fix it may write new data which overwrites the original data on the drive. Thus, to avoid data loss, you're recommended to recover lost data from the unmountable Mac internal hard drive as the first step.
iBoysoft Data Recovery for Mac is one of the best Mac data recovery software which canrecover lost data from failed internal Mac hard drives, even when your Mac computer fails to boot. Moreover, the program can alsorecover lost data from formatted drives, recover lost data from inaccessible drives, andrecover lost data from unreadable drives, and so on. It's fully compatible withmacOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 Sierra and OS X 10.11/10.10/10.9/10.8/10.7.
Now follow the tutorial below to recover lost data from unmounted Mac internal hard drive.
Method 1: If you have only one Mac computer
Free Recovery Software For Mac
Don't worry. You can still recover lost data from the unmounted Mac internal hard drive with the help of iBoysoft Data Recovery for Mac.
Note: Before you follow the steps below, you have to make sure your Mac has Internet connection.
Step 1: Click the Power button to turn on the Mac, and immediately press COMMAND+OPTION+R keys to boot your Mac into macOS Recovery mode.
Step 2: Choose a network for your Mac. You need to make your Mac connected to the Internet all the time.
Step 3: Open Terminal from the Utilities drop-down menu.
Step 4: Run the following command:
This will launch iBoysoft Data Recovery for Mac through iBoysoft Server.
Step 5: After launching iBoysoft Data Recovery for Mac, please select the Mac internal hard drive and click the 'Next' button. This program will start scanning for lost files on the drive.
Step 6: Preview the scanning results, and choose the files you want to get back.
Step 7: Click the 'Recover' button. You need to specify a different location to store the recovered files.
You can also refer toHow to run iBoysoft Data Recovery for Mac in macOS Recovery mode.
Method 2: If you have two Mac computers
If you fortunately have another healthy Mac computer, or you can borrow one from your friends, you can create a bootable drive and then recover lost data from it.
Step 1: Create a bootable drive on the healthy Mac computer.
1. Download, install and launch iBoysoft Data Recovery for Mac.
2. Click iBoysoft Data Recovery on menu bar and then select 'Create Boot Drive'.
3. Insert a USB drive into the healthy Mac, and choose it as the media to create a bootable drive on.
4. Click 'Make bootable' button. The creation process will start immediately. Be patient as it could take a while.
Note: This process will erase all data on the USB drive. So please be sure to make a backup if there're important files.
5. When the process completed, you'll see a window showing the next steps to recover lost data. You can take a note, or take a photo with your phone, of the information. When everything is ready, click the 'Close' button.
Step 2: Recovery data from the unbootable Mac computer.
1. Insert iBoysoft Data Recovery for Mac bootable USB drive into the unbootable Mac computer.
2. Reboot your Mac computer and hold down the Option key (⌥) at startup.
3. Select iBoysoft Data Recovery for Mac from the boot options. This program will launch when your Mac boots up.
Note: If you're running macOS Mojave or earlier, iBoysoft Data Recovery for Mac will launch immediately when your Mac boots up. But, if your Mac is running macOS Catalina, you need two additional steps to launch this program.
4. Wait for your Mac to boot up, open 'Terminal' application from 'Utilities' drop-down menu.
5. Run the following command:
Now you can recover lost data from the unbootable Mac computer just as above.
iBoysoft Data Recovery for Mac can also recover deleted photos, documents, audio, videos, emails from APFS, HFS, HFS+, exFAT, FAT32 formatted drives. Apart from internal hard drive data recovery, iBoysoft Data Recovery for Mac also supports recovering data from external hard drives, USB flash drives, SD cards, memory cards, and Pen drives, etc.
How to fix Mac internal hard drive won't mount issue?
After recovering data from the unmountable Mac internal hard drive, you can now try to mount the Macintosh HD via the solutions as below.
Solution 1: Restart the Mac computer
Most of the time, restarting the computer is a feasible way to solve some booting problems. So you can at first try to restart your Mac by holding down the Power button till the Mac turns off. Wait a moment and turn it on. Can the Mac internal hard drive be mounted now?
Solution 2: Repair unmountable Mac internal hard drive via First Aid
Disk Utility is desined to repair minor errors on disks. So you can boot Mac to Disk Utility and fix the unmountable Mac internal hard drive in macOS Recovery mode.
Step 1: Boot to macOS Recovery mode by restarting the Mac computer while pressing and holding down Command and R keys at startup.
Step 2: Select Disk Utility and click Continue.
Step 3: In the sidebar, select the unmountable Mac internal hard drive you wish to repair.
Step 4: Click the First Aid button.
Step 5: Click Repair Disk.
Solution 3: Run FSCK command in Single User Mode
If Disk Utility stopped repairing Macintosh HD, you can then try out FSCK command in Single User Mode, which is helpful in isolating startup related issues.
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
Just like Single User Mode, Safe Mode is able to resolve problems that prevent your Mac from booting up.
Step 1: Shut down your Mac computer.
Step 2: Start the Mac up while holding down Shift. Release the Shift key when you see the login window.
Step 3: If your Mac boots into Safe Mode properly, then try restarting and booting as normal.
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Solution 5: Erase the unmountable Mac internal hard drive and reinstall macOS
If you still can't mount the internal hard drive on your Mac, there might be serious directory structure or file system corruption in the disk. In this case, your last chance is to reset the Mac so as to make the Mac computer work again. However, this process will erase mac hard drive and reinstall macOS, which is destructive to the data on the drive. Thus, make sure you have recovered data with iBoysoft Data Recovery for Mac.
Step 1: Boot your Mac into macOS Recovery mode.
Step 2: Go to Disk Utility and erase the unmountable Mac internal hard drive.
Step 3: Go back to macOS Utilities screen and select Reinstall macOS. Then, follow the onscreen wizard to reinstall the OS.
Solution 6: Look for help from local data recovery company
If your Mac internal hard drive still can't be fixed through the solutions above, the drive might have hardware problems. You'd better send it to local data recovery company.
The Mac computer, such as MacBook Pro/Air, boots from the internal hard drive and allows you to access data. However, it's very common that the internal hard drive won't mount on Mac. Once it happens, don't delay to recover lost data from that unmountable internal hard drive. After recovering data with Mac data recovery software, like iBoysoft Data Recovery for Mac, you can troubleshoot the error without worrying about data loss.