The capacity of Mac computers is always insufficient, so most people choose to buy external hard drives or USB storage devices as data storage and backup hard drives to solve the problem of insufficient Mac space. I always encounter the situation that the external hard disk of the Mac cannot be read. How to solve it?
If the Mac suddenly cannot read the external hard disk, the external hard disk of the Mac is not properly ejected and cannot be read, the USB flash drive or memory card cannot be read, resulting in the instant loss of important backup data, it is recommended to use the data rescue artifact “4DDiG” to save in seconds. Back to the hard disk, the data in the flash drive.
Why is my Mac external hard drive unreadable?
If you suddenly find that the external hard drive of your Mac cannot be recognized or read, many important data are stored in the external hard drive or pen drive, and even the photos or videos just taken are suddenly not read or appear when you use the computer to read them. In the case of damage to the external device, usually these probabilities may occur, resulting in data damage to the external hard disk, USB flash drive or memory card, mainly due to the following reasons:
- External hard drive failure
- virus infection
- Damaged USB or Type-C port
- There is a problem with the transmission line
- system error
If the Mac can’t read the hard disk, and check the external cables and devices, it is confirmed that there is no problem, and the device name can be seen, but the data in the external device cannot be read. You can directly use the Tenorshare data rescue software “4DDiG” to rescue. (It is also supported along with Windows systems, this article uses macOS as an example)
What problems can the data rescue software 4DDiG solve?
4DDiG is one of the most powerful data rescue tools on Windows and macOS systems. It can recover data from external hard drives, USB flash drives, SD memory cards, and built-in SSD hard drives, even if the hard drive is reformatted, the disk Damaged or mistakenly deleted files can be recovered.
4DDiG data rescue tool supports more than 1000 common formats, including photos, videos, music, compressed files, Office files or various types of data can be easily recovered with one click.
In addition to recovering data, it can also automatically repair damaged photos or videos through image analysis technology. It may be unreadable following rescue and recovery, so you don’t have to worry regarding not being able to open with 4DDiG recovery process.
Of course, Tenorshare 4DiG official also shared basic operation skills. For details, please refer to the video below. Mr. Crazy will actually test it later to tell you whether this data rescue tool is really useful?
Data rescue test and teaching
To share and test how to use 4DDiG to recover data from an external USB drive, first delete the files in the USB drive and format it once.
Open Tenorshare 4DDiG rescue tool, find the pen drive or hard drive you want to restore, and click “Scan” in the lower right corner.
The tool will start to scan to find the deleted files. During the process, you can expand the folder to determine whether the tool has scanned the lost files. In fact, the files just deleted are indeed scanned out. You don’t need to wait until the complete scan is completed. Click Stop.
Check the files you want to restore, select them and click “Restore” in the lower right corner.
It can be restored to a custom folder, reminding not to restore the file to the external hard disk just scanned, to avoid data being overwritten, select the folder location in the computer, and click “Open”.
The data will be restored immediately. After completion, you will see the prompt “Your data has been restored!”. Clicking “Open” will immediately display the restored folder.
It can be found that all recovered data and file sizes are exactly the same as those previously deleted, and even photos are not compressed, and even psd, ics, PDF and other files are restored without problems.
Function summary
4DDiG is the most convenient and easy-to-use data rescue artifact on Windows and macOS. I believe that many people have experienced data corruption or careless formatting, resulting in the loss of many important photos or data. Now, 4DDiG can easily recover these important data. material.
4DDiG Free Use & Promo Codes
Of course, 4DDiG also provides a free scanning function, that is to say, you can install it on your computer to scan it first. After confirming that you can scan important files, you can spend money to buy it, and the use will be more secure.
This site has also obtained a set of 4DDiG discount codes for everyone, which will be cheaper to buy. If you often use an external hard drive to store data, or encounter data loss for a long time, it is highly recommended to buy 4DDiG for use.