Solved - External Hard Drive Corrupted and Unreadable on Mac

Unable to access data from hard drive that became unreadable for unknown reasons? REMO Recover is here to fix disk is unreadable error and restore data on Mac / Windows OS with perfection.


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Fix Disk is Unreadable Error on Mac

The External hard drive became unreadable. How to recover files?

“Hi, I have stored the important data on my external 1TB Seagate hard drive. But, when I try to access it, I am getting an error message saying “The disk is unreadable, do you want to initialize it now?” What should I do to recover external hard disk partition data that has become unreadable? Please help!”

The disk is unreadable error implies that the directory of the external hard drive has been corrupted and you no longer have access to its stored data. In such situations, a professional Mac disk data recovery software is necessary to extract lost data from external hard drive. Here, Remo Recover data recovery tool for Mac is recommended to retrieve files from unreadable internal / external Mac hard drive.

Important: When you find your external or internal Mac hard drive has become unreadable or inaccessible, stop using it or saving new data into it again. Otherwise, the chances of recovering lost data will be minimized extremely.

Characteristics of Remo Recover software

Remo Partition Recovery for Mac is a robust tool to recover data from external hard drives that have become corrupted and unreadable on Mac. The software is incorporated with advanced algorithms that deeply scan the entire external HD and retrieves all the stored data safe and sound. Other features of this application are mentioned below:

  • Easily retrieve data from external hard drives formatted with HFS+, HFSX, HFS and exFAT file systems
  • Restore data even from the damaged, formatted, corrupted and failed external hard drive
  • Capable of recovering more than 300+ different formats of files from corrupted and unreadable external HDD
  • Supports recovery of data from any type of hard drive, SD memory card, thumb drive, iPod, FireWire device and more
  • Offers free preview of the retrieved files with its free demo version
  • Enables you to save the restored data at any desired location that too in a compressed ZIP format


Steps to recover data from unreadable external hard drive on Mac

Step 1: Connect the external hard drive and launch Remo Recover data recovery tool, then click on “Recover Volumes / Drives” option.

Select Recover Volumes / Drives icon to perform unreadable external hard drive Mac recovery

Step 2: Select “Volume Recovery” or “Formatted / Reformatted Recovery” option accordingly to perform unreadable external hard drive Mac recovery.

Select Volume Recovery or Formatted / Reformatted Recovery option to fix unreadable external hard drive Mac

Step 3: Choose the attached external hard drive that is showing the disk is unreadable error and click “Next” to initiate scanning process.

Click unreadable external hard drive to restore data

Step 4: The software quickly scans the drive and displays the list of recovered files from the unreadable external hard drive on Mac by means of “File Type View” and “Data View”.

Preview list of recovered data

Step 5: Click on “Save” icon to save the current recovery session on any host accessible location in order to avoid re-scanning of the whole unreadable external hard drive again.

Save Current Recovery Session

What causes 'the disk is unreadable' error on external hard drive?

  • Any sort of interruption while data is being transferred from the external HD might damage the file system which in turn makes the disk unreadable
  • Use of incompatible utilities for creating or re-sizing existing volumes on your external HDD
  • When your external hard drive is severely infected with virus infection, there are chances that the drive become unreadable
  • Presence of excess number of bad sectors on the external hard disk drive could corrupt the disk and make it unreadable

The above mentioned are some of the common instances due to which your external hard drive can become unreadable. However, Remo Recover data recovery program will easily retrieve all files from the disk in just a few clicks. The software supports various brands of hard drives such as Maxtor, Seagate, Toshiba, Iomega, LaCie and much more.