How to Recover lost data from unmountable hard drive on Mac?

By Autumn X | Posted to Home > Mac Data Recovery Tips on January 15th, 2021 |

Unmountable hard drive can happen to anyone at any time. "Unmountable" means that macOS is unable to make files and directories on your hard drive available for you to access through the file system.

unmountable USB hard drive

When you connect a USB hard drive to your Mac, you may see it in Disk Utility greyed out meaning "Not Mounted". When hard drive won't mount and no solution to repair this hard drive will work, then you need to recover data from the unmountable hard drive.

This article lets you know how to access your data on the non-mounted hard drive on Mac.

Reasons making your hard drive unmountable on Mac

You are unable to mount your hard drive on Mac due to vast reasons. Here are some common reasons.

  • Software conflicts like Tuxera NTFS for Mac extensions.
  • Disk utility failure on your Mac
  • File system corruption inside the hard drive
  • Malware or virus attack
  • Malfunctioning of operating system

Besides those reasons, there are other reasons make a hard drive cannot be mounted successfully.

Your files on the unmountable hard drive is either be lost or not accessible. So unmountable hard drive data recovery is an essential step after your hard drive fails to mount on Mac, probably more important than hard drive repair.

external hard drive

How to Repair a Hard drive that won't mount on Mac?

A full guide to fix and repair hard drives that is not mounting or mountable on your MacBook Pro, Mac mini, MacBook Air. Read more >>

Guide to Recover lost data from unmountable hard drive on Mac

Recovering data from unmountable hard drive is not as complex and troublesome as you think.

On the contrary, your files on the unmountable hard drive can be efficiently and easily recovered with the help of iBoysoft Data Recovery Software for Mac.

iBoysoft Data Recovery for Mac is professional software that helps you to recover lost/deleted documents, photos, videos, emails, music, etc. from storage devices using your Mac.

It recovers files when hard drive is unmountable in Big Sur 11, macOS 10.15 (Catalina), 10.14 (Mojave), macOS 10.13 (High Sierra), macOS 10.12 (Sierra‎) and earlier Mac OS X (10.11-10.7).

Moreover, it can efficiently recover lost data from unmountable hard drive, external hard drive, USB drive, memory card, and SD card on Mac.

Video tutorial to get files off unmounted drive on Mac

Step-by-step instruction to do unmountable hard drive data recovery

You can recover lost data from unmountable hard drive on Mac with 4 simple steps.

Step 1: Download and install iBoysoft Data Recovery for Mac on your Mac.

Step 2: Launch iBoysoft Data Recovery for Mac, and select the unmountable hard drive.

Recover data from unmountable hard drive with iBoysoft Data Recovery for Mac

Step 3: Click "Next" to scan all lost files.

Step 4: Preview the scanning results, choose files you want to recover, and click "Recover" to recover those files from unmountable hard drive.

Besides helping to recover your data from unmountable hard drive, external hard drive, USB drive, memory card, SD card, iBoysoft Data Recovery for Mac works well for you to recover lost data from unreadable external hard drive, inaccessible hard drive, formatted drive.

After recovering your data from recover lost data from unmountable hard drive, you can open Disk Utility and run "Erase" to format that unmountable hard drive, then it will work regularly again.