How to fix Toshiba hard drive not readable on Mac?

Posted by Katrina to Mac Data Recovery on February 27th, 2019

Summary: If you are looking for effective solutions to fix "The disk you inserted was not readable by this computer" error, this post is written for you. It will explain why this error pops out and how to solve some common error message related to Toshiba hard drive not readable on Mac.

Toshiba hard drive not readable on Mac, help!

I have a problem! I backed my MacBook up to Toshiba external HDD so that I could update my mac from 10.12 to the current 10.14 macOS. However, when I went to reload from the HDD it not reads "The disk you inserted was not readable by this computer." What do I do! My whole life was on my computer? Any help would be greatly appreciated! I don't want to lose all that data!

Have you encountered the similar problem on Toshiba, Seagate, WD hard drive? Don't worry! It is a common error and can be easily fixed. Let's see how to fix Toshiba hard drive not readable on Mac:

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Common causes of Toshiba hard drive not readable on Mac

Whatever you have received "The disk you inserted was not readable by this computer" both manually and automatically, it means there was a malfunction in your system operation. Common reasons include sudden power failure, improper ejection, virus or malware attack and another factor.

Tips: Don't choose the Initialized option if care about data on the drive

When you get "The disk you inserted was not readable by this computer", you are given three choices: Initialize, Ignore and Eject. If you didn't back up important data, please don't choose "Initialize" as it will erase all data on the hard drive. Click "ignore" and follow the solutions below to fix Toshiba hard drive not readable issue without data loss.

Quick fixes for Toshiba hard drive not readable on Mac

Here are two easy quick solution that can help you out.

1. Properly eject hard drive and connect it to your Mac again. This is the most basic solution to fix any disk problem.

2. Reinstall the driver. The Toshiba hard drive not readable issue also occurs when the driver is faulty. Try to verify, update or reinstall the outdated driver.

How to solve Toshiba hard drive not readable on Mac?

Solution 1: Repair the unreadable Toshiba hard drive via First Aid

First Aid can effectively fix and repair some internal errors on any storage devices, even including the hard drive not readable issue. Here are steps to fix this issue:

Step 1: Launch Disk Utility.

Step 2: Choose the Toshiba hard drive from the left sidebar.

Step 3: Click the 'First Aid' tab on the top.

Solution 2: Recover data and reformat the unreadable Toshiba hard drive

If First Aid fails to fix the unreadable disk error, the final choice to reformat the Toshiba hard drive for reuse. But if you do this directly, all data stored on the drive will be removed. Want to find your data on the Toshiba hard drive? The professional data recovery software - iBoysoft Mac Data Recovery will help to get all your data out of the hard disk.

Step 1: Recover data from the unreadable Toshiba hard drive

iBoysoft Mac Data Recovery is a free hard drive data recovery software that can recover data from unreadable hard drives for various reasons. The utility is compatible with macOS Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.

Besides, iBoysoft Mac Data Recovery also performs successfully from the unmounted, formatted, corrupted, formatted, inaccessible external hard drives, USB flash drives, SD cards, memory cards, CF cards, etc. With powerful algorithms, it can scan your whole drive or partition quickly and find all your data efficiently. Embed with filtering and sorting functions, the program is so easy to use.

1. Download and install iBoysoft Mac Data Recovery on Mac.

2. Launch iBoysoft Mac Data Recovery.

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3. Select the unreadable Toshiba hard drive and click "Next" button to scan for all the lost data.

4. Preview the searching results, choose files you need, and click "Recover" to get them back.

Step 2: Reformat the Toshiba hard drive

Finally, you have to reformat the Toshiba hard drive for reuse. Launch Disk Utility and select the hard drive from the left sidebar of the window. Click the Erase button on the top of the Disk Utility window. Complete the related information (name, format, scheme), then click Erase. After the process is finished, your Mac should read the disk properly without problem.

Conclusion

The Toshiba hard drive not readable issue can happen out of the blue. But there is no need to worry as you can fix the error using the solutions recommended above. Meanwhile, always remember to back up the files that are important to you.

Still have questions?