4 Ways to Fix SanDisk Extreme Portable SSD Not Mounting on Mac

The SanDisk Extreme Pro is a top-tier SSD renowned for its outstanding reliability and speed, making it a favorite among professionals. However, Mac users frequently report encountering the issue of the SanDisk Extreme Portable SSD not mounting on their Macs.

There are several ways to fix the SanDisk Extreme Portable SSD. But before you proceed with the troubleshooting, you should know that the "SanDisk Extreme Portable SSD not mounting on Mac" error can lead to data loss, and hence, data recovery is significant.

Recover Data from Unmounted SanDisk Extreme Portable SSD

As mentioned earlier, the SanDisk SSD not mounting issue can lead to data loss. It's crucial to recover your data using professional data recovery software like the Data Recovery Wizard for Mac tool before getting into the hassle of reducing data loss.

The software claims to recover lost data in all sorts of common-to-catastrophic scenarios, including from external SSDs that have been subject to typical removal errors, such as:

• com.apple.DiskManagement.disenter Error 0
• com.apple.DiskManagement.disenter Error 49244
• com.apple.DiskManagement.disenter Error 49218
• ......

Download this professional data recovery software right away! Follow the steps below:

Step 1: Search for the Lost Files

Connect the external hard drive to your Mac correctly. Launch Disk Drill for Mac data recovery software, select the external drive, and click “Search for Lost Data” to find lost or deleted files on the external device.

Note: Before data recovery, it's better to click “Disk Backup” from the left sidebar and create a backup for your external hard drive to prevent further data loss. After backing up the external hard drive, the software can recover data from the backup of the external hard drive, and then you can remove the external hard drive and use it again.

Step 2: Filter and search for the lost files

After the scan is complete, all file types will be displayed on the left pane. Select the file type to find the needed files from the external device.

Step 3: Preview and Recover

Preview the files and select the ones you want to restore, then hit the “Restore” button. You can save the data to both local and cloud drives.

Solution 1: Check the SanDisk Extreme Portable SSD and Mac connections

Ensuring that your SSD is correctly connected to your Mac is a fundamental and crucial step in resolving the "Sandisk Extreme Portable SSD not mounting on Mac" issue. In this case, you should try connecting the SSD with another cable to check if the original cable is functioning properly.

The SanDisk Extreme Pro SSD uses a SATA III interface, so make sure your dock, adapter, or enclosure is compatible with your SSD. Try using a different SATA-to-USB adapter and confirm that it works by connecting a different drive to it. However, instead of accessing the SSD through a USB-C adapter, you can connect it directly to your MacBook.

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Method 2: Force Mount SanDisk Extreme Portable SSD with Disk Utility

If you encounter the issue of "SanDisk Extreme Portable SSD not mounting on Mac," you can use Disk Utility to force mount the disk. Follow these steps to forcibly mount the SSD using Disk Utility:

Step 1: Open Finder > Applications > Utilities > Disk Utility.

Step 2: Look for an unpartitioned section or SSD drive and click on it.

Step 3. Click the “Mount” button at the top.

Note: If you get an uninstallation error or your SanDisk SSD is not showing up on Mac, try using a data recovery tool to retrieve the stored data from the unmounted SSD!

Fix 3: Use First Aid to Repair SanDisk Extreme Portable SSD

If your SanDisk Extreme Pro SSD is not mounting successfully but is visible in Disk Utility, you can try using the "First Aid" feature to repair the SSD. This will help check and fix any disk issues on the SSD. Follow these steps to run First Aid: 1. Open the "Disk Utility" application. You can find it in the "Launchpad." 2. In the Disk Utility window on the left side, locate your SanDisk Extreme Pro SSD and click on it to select. 3. On the right side of the window, click the "First Aid" button. 4. Read the information in the pop-up warning, then click "Continue" to start the First Aid process. 5. Enter your administrator password (if prompted) and click "OK." 6. The system will begin scanning and repairing any issues found on the SSD. This process may take some time, so please be patient. 7. Upon completion, First Aid will display a report detailing the issues it found and the actions it took. If it says "Finished," that means the SSD has been checked and repaired. 8. Close Disk Utility and then try remounting or restarting your device to see if the issue is resolved. If First Aid fails to resolve the problem, or the SSD still doesn't mount, you may need further technical support or consider backing up your data to another storage device and contacting SanDisk customer support for assistance.

Step 1: To launch the application, go to “Finder” > “Applications” > “Utilities” > “Disk Utility.”

Step 2: Select the SanDisk Extreme Pro SSD on the left.

Step 3: Click the “First Aid” button in the top right corner, and then click “Run” to confirm.

Click Run to confirm you want to run Disk Utility's First Aid feature.

If the resuscitation fails, do not panic; we have a guide for that, too.

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Disk Utility First Aid Process Failed [With 5 Effective Fixes]

Follow this simple guide to learn how to fix the "First Aid process failed" error in Disk Utility. Read More >>

Solution 4: Format SanDisk Extreme Portable SSD on Mac

Attempting to fix the SanDisk Extreme Portable SSD not mounting on Mac issue with the methods mentioned above might lead to data loss. Backing up your data is crucial to avoid the inconvenience of losing information.

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Backup Your Mac and Never Lose Data

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

If you don't know how to back up, you can use professional tools like Data Recovery Wizard for Mac to help you recover deleted data. This software aids in retrieving various types of data from your unmounted SanDisk Extreme Portable SSD on Mac.

Are you wondering how to format an SSD using Disk Utility? Formatting an SSD with Disk Utility is straightforward, allowing you to format it into a seamless file system within an user-friendly interface. Follow these steps:

Step 1: Click on “Disk Utility” to open it.

Step 2. Find and select your SSD.

Step 3: Click the “Erase” button at the top of the window.

Step 4: Give your SSD a new name and choose the correct format.

If the file system format of the SSD isn't compatible with macOS, the SSD might not mount on your Mac.

Why won't my SanDisk Extreme Portable SSD mount on my Mac?

The "SanDisk Extreme Portable SSD not mounting on Mac" issue can stem from several reasons. Some common causes include:

❎SATA Compatibility Issue: This device uses a SATA interface, which might be incompatible with the version of SATA used by your dock, adapter, or hard drive enclosure.

Temporary issue: There might be a temporary issue with your MacBook that's preventing the SanDisk Extreme Portable SSD from being recognized.

Cable issue: The cable used to connect the SanDisk Extreme Pro SSD to the MacBook might be problematic. The cable could be damaged or incompatible with the drive.

Conclusions

In conclusion, if your SanDisk Extreme Pro SSD is not detected or authorized on Mac OS, you can consider some solutions. You can try some fixing methods, including checking connections and cables, resetting the SSD, and using the Disk Utility's "First Aid" feature. If data loss occurs due to the error "SanDisk Extreme Portable SSD won't mount on Mac," it's recommended to install a Mac Data Recovery Wizard tool.

Frequently Asked Questions: SanDisk Extreme Portable SSD Not Mounting on Mac

For more on this topic, see the following FAQ:

1. What is "com.apple.DiskManagement.disenter error 0" on my SanDisk Portable SSD?

This error suggests that there might be some underlying issues with macOS or the drive, preventing the disk from being recognized or mounted by Disk Utility's "Mount" function. Here are some effective methods to resolve the mount error:

• Solution 1: Check the Connections
• Solution 2: Restart Your Mac
• Solution 3: Run First Aid in Disk Utility
• Solution 4: Mount the Disk via Terminal
• Solution 5: Reformat the Problematic Disk

2. Why isn't my Mac recognizing my SanDisk portable SSD?

If connected external drives are set to be hidden from your Mac, the SanDisk Extreme Portable SSD might not be detected. If this is the case, you'll need to check your Finder preferences.