error -119930868 on a Mac [with 4 Ways to Fix It]

If the message ' error -119930868' occurs on your Mac, consider using EaseUS Data Recovery Wizard for Mac to recover your data first, and follow the proven ways in this post to fix the error -119930868.

Table of Contents

When you mount a disk on your Mac, the error message "Couldn't mount the disk [name] ( error -119930868)" may show on your screen. The error -119930846 will occur when you mount a disk in Disk Utility, including an external hard drive, a USB flash drive, an SD card, a DMG file, an ISO file, etc.

The "Couldn't mount the disk [name] ( error -119930868)" means you can't access any stored data on the disk with error -119930868, including pictures, videos, documents, and other file types.

Here's a Mac user reported on the Apple community, and more than 4,000 people have the same issues:

An external disk refuses to mount, error -119930868.
What causes this particular error, and how can I mount this drive or retrieve the data from it?
- Apple Community

If you are in the same unfortunate situations as them or other similar mounting errors happen, such as error -119930872, don't worry! This post will discuss how to save the stored data on a disk with the error -119930868, and how to fix this error in effective ways.

Recover Data on the Error -119930868 Disk with Software

Don't panic when the " error" occurs on your disk, as they are not a 100% data loss problem. We'll also cover all the fixes for the mounting error in the next section. But before that, in order to avoid unfortunate data loss situations, you need to make sure that your data is safe. The powerful data recovery software EaseUS Data Recovery Wizard for Mac can quickly scan the unmounted disk and display its recoverable data.

Check out the following steps to recover data from an unmountable drive on your Mac:

Step 1. Search for lost files

Correctly connect your external hard drive to your Mac. Launch EaseUS Data Recovery Wizard for Mac, and select the external hard drive. Then, click "Search for lost files" to find lost/deleted files on your external devices.

recover extenrla hard drive

Step 2. Filter and find lost files

After the scan, all file types will be presented in the left panel. Select the file type to find wanted files on your external devices.

scan the recoverable files

Step 3. Preview and recover

Click the file and preview it. Then, select the files you want to recover and click the "Recover" button. You can save your data to local and cloud drives.

click Recover

This professional and trusted tool can recover an external HD that isn't detected on a Mac, including its stored pictures, documents, videos, and any other file types. In addition, it also provides a one-click backup feature, which helps you create a backup easily.

After saving your recovered data on a safe storage location rather than your external hard drive, you can refer to the following 4 fixes to solve the disk error -119930868.

Fix 1. Reconnect the Disk to Fix the Error -119930868

The error -119930868 may be the result of a temporary recognition failure on macOS, which can be resolved by safely ejecting the hard drive and reconnecting it to your Mac. Moreover, if the disk is encrypted, you may require a password when first mounting it in Disk Utility. The "Mount" button will be grayed out if you don't enter the right password.

Add this article to your bookmark if you think it is informative, and share it on social media to help others learn how to fix the error -119930868 on a Mac.


Fix 2. Use Terminal to Mount the Disk with Error -119930868

Mac Terminal allows users to mount a disk on a Mac with commands. Here's how to mount a disk using Terminal commands on your Mac:

Step 1. Navigate to "Finder > Applications > Utilities" and open "Terminal".

Open Terminal

Step 2. Enter the command line diskutil list in the Terminal window. Hit "Enter".

Step 3. Type the following command line and remember to replace the "identifier" with the unmounted disk identifier:

diskutil mountDisk disk_identifier

Here's an article discussing how to mount a disk on a Mac using Terminal, via Disk Utility, and using Finder. Take a look if necessary.

mount a disk

How to Mount a Disk on Mac [Step-by-Step Tutorial in 2024]

This article discusses 3 different ways to mount a disk on a Mac. Read more >>

Fix 3. Run First Aid to Fix error -119930868

Mac First Aid in Disk Utility is a built-in feature on macOS that helps users repair disk errors. Check out the following steps:

Step 1. Open "Disk Utility" in the "Finder > Applications > Utilities" folder.

Open Disk Utility

Step 2. Click "Show All Devices" and select the unmountable disk in the left list.

Show All Devices

Step 3. Click the "First Aid" button at the top menu, hit "Run" to confirm, and wait for the First Aid process to complete.

run First Aid

Here's a post discussing what to do if the First Aid process has failed; take a look if needed.

First Aid process has failed

Disk Utility First Aid Process Has Failed [with 5 Proven Ways to Fix It]

this is an easy guide on fixing the First Aid process's error in Disk Utility and what you can do in case you need to recover data. Read more >>

Fix 4. Fix error -119930868 by Reformatting

If your external hard drive is incompatible with macOS, such as an NTFS hard drive, it won't be mounted on your Mac. In this case, you only use the external HD on a Windows PC or reformat it to make it work on your Mac. Check out the following steps to reformat your hard drive:

Note: Formatting a hard drive will delete all stored data on it, so ensure that you save the stored data or make a backup before formatting it.

Step 1. Open "Disk Utility" and choose the external hard drive.

Step 2. Click the "Erase" button, and choose a new file format that is compatible with macOS, such as APFS, Mac OS Extended, HFS+, etc. Set a new name if needed.

Erase a disk

Step 3. Click "Erase" again to confirm the formatting process, and you can use the external hard drive after formatting it.


This post provides 4 effective methods to fix ' error -119930868', including reconnecting the disk, using Terminal to mount the disk, running First Aid to repair the disk error, and reformating the disk.

Download and install EaseUS Data Recovery Wizard for Mac to save the stored data on the external hard drive in case of losing data during the fixing process. error -119930868 FAQs

Here are questions people frequently ask about how to fix the disk error -119930868 when mounting a disk on a Mac. Take a look:

1. How do you fix a hard drive that won't mount on a Mac?

Here are 4 methods to fix a hard drive that won't mount on a Mac:

  1. 1. Check the connecting issues
  2. 2. Force mount the hard drive via Terminal
  3. 3. Run First Aid to check disk error
  4. 4. Reformat the hard drive

2. What is the " error" on a Mac?

The " dissenter error" means that your Mac's disk management system is facing a mounting issue. The common error codes are as follows:

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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.

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