error -119930872 Occurs When Mount a Disk on Mac

This post discusses how to fix the error ' error -119930872' on a Mac. We also provide effective methods to protect your data safely with EaseUS Data Recovery Wizard for Mac.

Table of Contents

Suppose you get the error message "Could not mount "Drive Name". ( error -119930872.)" when connecting an external hard drive to your Mac; don't worry! You are not alone. Many users have posted on Apple forums that they have experienced this "" error when trying to access an external drive.

Unable to Mount - error - 119930872...I thought this might be a specific hard drive issue, but turns out none of my hard drives mount. I see the drives inside diskutil, however the volumes are always greyed out. - Apple Community

We will introduce effective ways to fix the " error -119930872" error; besides, we also provide a 100% safe way to recover the stored data on the external hard drive unmounted on a Mac. Read on to learn the detailed information.

Recover Data from a Drive with DiskManagement Disenter Error -119930872

Data recovery software is the safest and most effective way to recover data when your hard disk reports an error or is unable to access important data. In this case, we suggest EaseUS Data Recovery Wizard for Mac, a professional and trusted Mac data recovery tool that can help you access data from an unmounted or corrupted hard drive.

This powerful software can access data from DiskManagement disenter error -119930872 or a similar Mac error 119930868 hard drive. Backed by advanced scanning technology, EaseUS Mac data recovery software can locate all the recoverable data on a target hard drive.


You Can Trust EaseUS Data Recovery Software

EaseUS Data Recovery Wizard has acquired an extensive technical base in data recovery and trusted by billions of users since 2005. Check out reviews on Trustpilot.

In addition, the EaseUS tool is designed for many users who do not need a complicated operation process. Even if you have no experience in data recovery, it is simple and quick to recover your data. Just follow the prompts on the screen to operate:

Step 1. Select the external hard drive. Then, click "Search for lost files" to find all recoverable files on your external devices.

Step 1. Search for lost files

Step 2. Select the file type to find the files you want on your external devices.

Step 2. Filter and find lost files

Step 3. Click the file and preview it. Then, select the files you want to recover and click the "Recover" button.

Step 3. Preview and recover

After saving your recovered data in a safe storage location on your Mac, you can follow the methods below to fix the disk mounting error 119930872.

5 Solutions to Fix DiskManagement Disenter Error -119930872

In this part, we will introduce 5 solutions to fix the " error -119930872" problem on a Mac. Choose the solution that suits you best!

The first four fixes are highly likely to successfully resolve the error -119930872 without damaging the data on the disk; the fifth option is the most effective and fastest solution, but it is accompanied by data loss. However, if you don't have any important data on your hard disk, consider formatting it directly.

Here are the steps for each solution:

#Fix 1. Force Mount an External Hard Drive on Your Mac

Here's how to force mount an external hard drive on a Mac when the mounting error 119930872 occurs:

Step 1. Open Disk Utility from the path "Finder > Applications > Utilities > Disk Utility".

Open Disk Utility

Step 2. Select the external hard drive and click the "Mount" button at the top menu.

mount a disk on Mac

Mounting an external hard drive manually can solve the common mounting error caused by system glitches. However, if the unmounting error is due to an incompatibility issue, such as " error 49244", you can't mount the incompatible drive on macOS manually.

#Fix 2. Repair the DiskManagement Disenter Error via First Aid

Mac First Aid can help users quickly check disk errors and repair the found problem. Here's how to use this built-in tool on your Mac:

Step 1. Open "Disk Utility" and choose the external disk that is grayed out in the left device panel.

Step 2. Click on the "First Aid" button at the top menu, and hit the "Run" button to confirm the repair process.


Step 3. Wait for the First Aid process to complete; if it says "First Aid found corruption that needs to be repaired", click "Done" and repair the error.

#Fix 3. Check Error in Single User Mode

Here's how to check errors in Mac Single User Mode:

Step 1. Restart your Mac when holding "Command + S" to 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".

#Fix 4. Stop the FSCK Process

FSCK stands for File System Consistency Check, which can check the file system error on macOS. But sometimes, it will lead to connection issues when inserting an external disk. Here's how to Stop the FSCK process via Activity Monitor:

Step 1. Open "Activity Monitor" in "Finder > Applications > Utilities".

Open Activity Monitor

Step 2. Find the FSCK process, and hit "Quit" or "Force Quit".

#Fix 5. Re-format the External Hard Drive

Suppose the mounting error is due to file system incompatibility; consider reformatting it.

Formatting a disk will delete all stored data on it, which may cause data loss. To avoid losing data on the external hard drive, consider using the EaseUS disk recovery tool to back up stored data on the external disk before formatting it.

Back Up Your Mac and Never Lose Data

Back up and restore your MacBook/iMac without Time Machine, iCloud, or external hard drives.

Step 1. Launch "Terminal" in the "Utilities" folder.


Step 2. Type diskutil eraseDisk format name /dev/identifier in the Terminal window. Replace "format" with any macOS-compatible file system format, replace "name" with the disk's name, and replace "identifier" with the disk identifiers shown in Disk Utility.


If the mounting error occurs on your external disk when inserting it into a Mac, consider using EaseUS Data Recovery Wizard for Mac to recover data first. Then, you can mount the external disk manually, repair it via Disk Utility's First Aid tool, stop the FSCK process on your Mac, check errors in Single User Mode, and reformat it to a macOS-compatible file system format. error -119930872 FAQs

Here are questions people frequently ask when they search for how to fix the error 119930872 when mounting a disk on a Mac. Take a look!

1. What is error 49218 on Apple DiskManagement?

The error message "Could not mount the [disk name]. ( error 49218)" is a common unmounting issue when you mount an external hard drive on your Mac unsuccessfully.

2. What is Apple disenter error 0?

The Apple disenter error 0 may be due to an inappropriate ejection during the last use of the hard disk, resulting in a failure to mount the hard disk when it is connected to the Mac, and therefore the data stored on the hard disk cannot be read.

3. How do you fix a hard drive that won't be mounted on a Mac?

Here are effective ways to fix a hard drive that can't be mounted on a Mac:

  • Mount a disk manually via Disk Utility.
  • Repair the disk errors via First Aid, eject the disk, and reconnect it to your Mac again.
  • Stop the FSCK process in Activity Monitor.
  • Format the external disk to a macOS-compatible file system format.

Was This Page Helpful?

Updated by Brithny

Brithny is a technology enthusiast, aiming to make readers' tech lives easy and enjoyable. She loves exploring new technologies and writing technical how-to tips. In her spare time, she loves sharing things about her game experience on Facebook or Twitter.

Read full bio

Product Reviews

TrustScore 4.7 | 59 reviews
  • EaseUS Data Recovery Wizard is a powerful system recovery software, designed to enable you to recover files you’ve deleted accidentally, potentially lost to malware or an entire hard drive partition.

    Read More
  • EaseUS Data Recovery Wizard is the best we have seen. It's far from perfect, partly because today's advanced disk technology makes data-recovery more difficult than it was with the simpler technology of the past.

    Read More
  • EaseUS Data Recovery Wizard Pro has a reputation as one of the best data recovery software programs on the market. It comes with a selection of advanced features, including partition recovery, formatted drive restoration, and corrupted file repair.

    Read More