High Sierra Volume Could Not Be Unmounted: Causes and Solutions

If you're experiencing issues with your AppleAPFSMedia volume not being able to be unmounted, don't worry - it's a common problem that can occur due to various reasons. In this article, we'll explore the causes of this issue and provide solutions to help you recover lost data and fix the problem without losing any important files.

What is AppleAPFSMedia?

Before we dive into the solutions, let's first understand what AppleAPFSMedia is. AppleAPFSMedia is a virtual disk that is created by the operating system whenever you add an APFS container. The disk uses the same physical storage space as the added APFS container and can get corrupted just like any other disk.

Causes of AppleAPFSMedia Not Being Able to Be Unmounted

There are several reasons why your AppleAPFSMedia volume may not be able to be unmounted, including:

* Corruption on the disk: If the disk becomes corrupted, it's possible that the operating system is unable to mount it.

* Disk errors: Disk errors can also prevent the operating system from mounting the disk.

* Incompatible software: Using incompatible software or drivers can cause issues with the disk and prevent it from being mounted.

Solutions to Fix AppleAPFSMedia Not Being Able to Be Unmounted

If your AppleAPFSMedia volume is not being able to be unmounted, there are several solutions you can try:

Option 1: Restore Lost Data from Time Machine

If you have a backup of your files using Time Machine, you can restore them to recover lost data. To do this, follow these steps:

* Connect the external hard drive that contains the Time Machine backup.

* Open the Time Machine app and select the backup that contains the files you want to restore.

* Choose the files you want to restore and click the Restore button.

Option 2: Recover Lost Data from Unmountable AppleAPFSMedia with APFS Data Recovery Software

If you don't have a backup of your files or can't find the needed files, you can try using APFS data recovery software to recover lost data. These software programs are designed specifically for recovering data from APFS disks and can help you retrieve your important files.

To use APFS data recovery software, follow these steps:

* Download and install an APFS data recovery software program.

* Launch the software and select the AppleAPFSMedia volume that is not being able to be unmounted.

* Follow the software's instructions to scan for lost data and recover it.

In conclusion, if your AppleAPFSMedia volume is not being able to be unmounted, there are several solutions you can try. By using Time Machine or APFS data recovery software, you can recover lost data and fix the problem without losing any important files. Remember to always back up your files regularly to prevent data loss in the future.

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