How to Rescue Data from Corrupt USB on Mac OS X


The blog highlights the reasons that make a USB flash drive corrupt on a Mac OS X machine and describes the symptoms of a corrupt USB media. It also explains the best methods to recover data from a corrupt Mac USB using professional data recovery software.

A USB flash drive or removable data storage media is, undoubtedly, widely used for storing and transferring data components from one Mac to another. Its portable nature makes it even more scalable as well as popular among users using different operating systems. Even though the ability to transfer a large amount of data between various devices makes it user- friendly, this attribute sometimes creates difficulties too. This calls for the need to repair the USB drive to fetch the entire data.

When the USB device is connected to different Mac machines, there are more chances for it to get corrupt. In simple words, the more it is connected to different systems, the more will be the possibilities of data corruption. Users encounter data loss due to a virus or malicious malware that the device may have infected with. Or, there could be a corruption issue that may have occurred due to broken file structure (when you were busy switching the device between a number of computers).

Let’s identify some of the common reasons that make USB data unavailable or inaccessible.

  • Damage to the file header section may have caused data to collapse
  • Improper ejection of the USB drive
  • Drive may have been connected to a system infected by a virus
  • Damage to file structure due to known and unknown reasons
  • File table corruption and accidental deletion of system files
  • Mac fails to recognize your USB drive
  • Your Mac displays the drive wherein the incorporated files and folders appear lost
  • Unknown and unusual file names displayed on the USB drive which will not open when you attempt to access them
  • Occurrence of various error messages while attempting to access data from any of the folders and incorporated files

If you observe any of the above reasons, then immediately go for a repair using any of the available recovery methods. The initial steps that you can take are mentioned below:

  1. Connect the USB drive to another port on your iMac as it will help you detect if there is an issue with the USB port you are trying connecting to. If the USB works on another port, it means that the particular port is not working.
  2. Try connecting the USB device to another Mac machine (if possible) to check if there is an issue with system USB drivers. If the device works on another machine, update your system USB drivers.
  3. If the first-aid workaround methods help gain access to the inaccessible USB drive, the first thing you must do to prevent your data from further failure is taking a Backup of the entire data components to rescue it from future instances of USB failure.

After executing the above-mentioned procedures, if you are still unable to retrieve data from the USB drive, you can then utilize the third-party Mac Data Recovery to recover your data seamlessly. The tool claims to recover lost files from all kind of USB storage devices from all Mac machines. Don’t miss to free download Stellar Phoenix Mac Data Recovery Demo on macOS Sierra:

“Mac Download

Why Stellar Phoenix Mac Data Recovery?

You can recover almost all the files including text, videos, as well as music clips from your Mac with this advanced utility. The operation of data rescue on Mac USB drive can successfully be accomplished via recovery tool for retrieving data from severe issues. So, even if the USB drive is accidentally formatted, the incorporated data can still be recovered.

Apart from this, the data that is deleted permanently from the Mac machine can be recovered with just a few clicks. You can retrieve deleted partitions on any NTFS, HFS, HFS+, FAT or exFAT volumes and restore data back to your device. The integrity remains intact as not even a single bit of data would be found missing.

The Way Forward

When the data is successfully rescued from your corrupt USB drive, your next plan of action would be to develop a strict backup strategy and follow it as per schedule. With this, you would not have to worry about losing data in future! A little step can, therefore, go a long way!

  1. Joy Holloway October 5, 2016
    • Vishal October 6, 2016
  2. Ruth McIntire October 27, 2016
  3. William White January 30, 2017
    • Vishal January 30, 2017
  4. Michelle Shipley March 23, 2017
    • Vishal March 24, 2017
  5. Eric July 18, 2017
  6. Gavin Heath September 25, 2018
    • Vishal September 25, 2018

Leave a Reply

Your email address will not be published. Required fields are marked *