Fix Could Not Mount Disk2s1 in Disk Utility in 3 Ways

Have you ever recieved error message that says you could not mount disk2s1 when you are mounting your drive in the Disk Utility? If so, this post will help you solve this mounting error in 3 easy ways.

If you are erasing your disk, USB drive, or external hard drive on your Mac device with the Disk Utility but suddenly receive an error message that says "Could not mount disk2s1", you're not alone. Many have encountered this error that leaves your drive inaccessible.

However, feel at ease; it is just a sign that Disk 2, partition 1, has a problem. Your operating system can recognize the drive but fails to access or mount the specific partition you are working on. You can always fix this error with the methods below:

Method 1. Use the First Aid to Fix Could Not Mount disk2s1 error

In most cases, the problem is with the partition map, not the partition itself. Most users try running the First Aid only on the problematic error, and nothing is going to change. So here is how you can do:

Step 1. Open Disk Utility and navigate to the sidebar. You should see your drive listed with its physical name (e.g., Apple Disk Media or the brand name, like SanDisk). Beneath it, indented, is the container and then the volume (disk2s1).

Step 2. Choose the top-level parent device (the physical drive name, often identified as disk2, not disk2s1).

Step 3. Then, click the First Aid button and choose Run.

Wait for the process to end and see if the drive now mounts on the desktop.

Method 2. Erase the Entire Drive to Fix Could Not Mount disk2s1 error

If there are no drive shows on your desktop after you run the First Aid, you can then erase and reformat the whole drive. But remember, you will lose all your data, so you need a better backup first. Here is how you can erase the drive:

Step 1. Go to Disk Utility and enable"Show All Devices".

Step 2. Click the "Erase" button and wait for the new window to pop up.

Step 3. Configure the new setup and choose "Erase".

Remember to share this tool with users who are facing the same partition cannot be mounted error:

Method 3. Use Terminal to Fix Could Not Mount disk2s1 error

If you have specific knowledge on computers, you can try running the Terminal command like this to fixc could not mount disk error:

Step 1. Open Terminal from the Applications > Utilities.

Step 2. Type the following command one by one and hit Enter once you enter each command:

Step 3. Look for the disk2 in the lost and type the command again:

Pro Tips: How to Recover Data After the Format and Reformat

You are likely to receive errors like could not mount disk after erasing after the following steps, but you are urgent to get your files back. How to fix? This is the time when EaseUS Data Recovery Wizard for Mac shines.

Sometimes, common mount errors such as com.apple.DiskManagement.disenter error 0 and com.apple.DiskManagement disenter error 49244 may occur when you mount your drive, and it can be the cause of data loss. Therefore, it is advisable to back up your critical files periodically. If not, try a data recovery tool to get your files back:

Step 1. Search for lost files

Select the disk location to search for lost files (it can be an internal HDD/SSD or a removable storage device) on macOS Sierra, High Sierra, Mojave, Catalina, Big Sur, Monterey, Ventura, and the latest Sonoma. Click the "Search for lost files" button.

Step 2. Go through the scanning results

EaseUS Data Recovery Wizard for Mac will immediately scan your selected disk volume and display the scanning results.

Step 3. Select the file(s) and recover

In the scan results, select the file(s) to preview and click the "Recover" button to have them back.

Final Words

This post aims to solve error messages like could not mount disk2s1 when you are making changes in the Disk Utility. You can try using First Aid, run the Terminal command, or erase the entire drive. Once you find data loss on your drive, try EaseUS Data Recovery Wizard for Mac.

FAQs on Could Not Mount disk2s1

Here are some questions asked frequently by users who are facing the could not mount disk error:

1. How to fix a hard drive that won't mount?

You may do as follows:

• Try remounting the disk in Disk Utility
• Connect your drive again using a different port or cable
• Restart your Mac to see if the mounting issue can be fixed

2. Could not mount disk1s1.com Apple DiskManagement disenter error?

This error occurs often when you are mounting a disk on your Mac. You can fix this error with the following methods:

• Repair the disk with First Aid
• Mount it with Terminal App