How to recover data from unrecognized drive on Mac?

Posted by Katrina to Mac Data Recovery on December 24th, 2018

I have a Western Digital external hard drive that is not recognized by Mac anymore. When I plug it in, the hard drive does not show up in Finder or Disk Utility, does anyone know how to recover data from unrecognized drive on Mac? Any suggestion will be appreciated.

When a hard drive or external hard drive not recognized by your Mac computer, people always indicate that the drive can’t be found in Finder or it is not showing up in Disk Utility. In this situation, the drive along with all data stored inside becomes inaccessible. What’s worse is that you forget to back up important files. How to recover data from undetected hard disks on Mac? How to recover files from external hard drive not detected Mac? Here is a detailed tutorial.

How to recover data from unrecognized drive on Mac?

Here recommend you iBoysoft Mac Data Recovery. It is a free Mac data recovery tool that can easily and quickly recover data from unrecognized hard drive, external hard drive, USB drive, flash drive, SD card, memory card, etc. on Mac. Even when your hard disk or external drive not detected on Mac, it is possible to retrieve lost data back.

Moreover, iBoysoft Mac Data Recovery bails users out of a variety of scenarios, including accidental deletion, reformatting, non-mounting partitions, hard drive failure and system crash. It is compatible with almost all latest macOS, ranging from macOS Mojave/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.

Tutorial to recover data from unrecognized drive on Mac:

Step 1: Download and install iBoysoft Mac Data Recovery.

Step 2: Launch this program. Select the unrecognized drive and click "Next". The program will start scanning this drive for recoverable files.

Recover data from unrecognized drive on Mac

Step 3: During or after the scanning process, you can click the found files and preview.

Step 4: Choose what you want to get back and click "Recover".

How to fix hard drive not recognized on Mac?

After recovering data from unrecognized drive on Mac, you can follow some effective solutions as below to fix hard drive or external hard drive not recognized on Mac.

Solution 1: Set Preference to show external drive on Desktop/in Finder

If your external disk is unrecognized on Mac, chances are that the drive is not set to show on desktop or Finder.

Step 1: Go to Finder > Preferences >Sidebar/General tab.

Step 2: Select "External disks" under "Devices" or "External disks" under "Show these items on the desktop" and then our connected external drive will appear in Finder or on desktop.

Show WD My Passport on desktop

Solution 2: Mount hard drive in Disk Utility

If the hard drive is not mounted, it will not show up in Finder. Go to Applications > Utilities > Disk Utilities, try right clicking the drive and choose Mount button.

Solution 3: Repair unrecognized hard drive via First Aid

Step 1: Go to Applications > Utilities > Disk Utilities.

Step 2: Select the unrecognized drive and click First Aid on the top.

Step 3: Wait till the reparation process finished.

Run First Aid to repair unrecognized drive

Solution 4: Erase the unrecognized drive

The next solution is to erase the unrecognized drive. These steps will remove all data stored on the drive, please make sure you have backed up.

Step 1: Go to Applications > Utilities > Disk Utilities.

Step 2: Select the unrecognized drive and click Erase on the top.

Step 2: Follow the instructions to finish the erase/format process.

Solution 5: Send it to an expert for reparation

If none of these solution above fails to fix hard drive not recognized on Mac, the drive may be physically damaged. You can try iBoysoft Data Recovery to recover data from unrecognized drive. Because sometimes it can detect the drive that can't be detected by Mac machines.

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