How to fix/repair WD external hard drive not readable on Mac?

Posted by Juno to Mac Data Recovery on November 1st, 2017

Have you encountered the error message: "the disk you inserted is not readable by this computer" when using WD external hard drive? Just download iBoysoft Mac Data Recovery to recover data from unreadable WD external hard drive and then follow the step-by-step tutorial to fix/repair WD external hard drive not readable on Mac.

Actually, WD external hard drive not readable on Mac, or any external hard drive of other brands becoming unreadable on Mac is quite common a problem that we may meet. Here is a complaint from Apple Community:

"I tried to connect my 1TB WD external hard drive to my MacBook Pro today and it makes a musical, three "note" sounds and then my computer tells me: "the disk you inserted is not readable by this computer". This is the first time it happened. Last week the drive was dropped, but I didn't think it was hard enough to damage it. Is there any method that can fix WD external hard drive not readable on Mac or get lost files back?"

Possible reasons of WD external hard drive not readable issue

What causes external drive not readable by this computer? Here are the mainly reasons: virus infection, internal file system errors, power off without unmounting drive, forcing a restart on the Mac, etc. Due to these reasons, macOS can't read the WD external hard drive and make the data inside becoming inaccessible. Thankfully, we still have two methods to fix WD external hard drive not readable on Mac.

How to fix/repair WD external hard drive not readable on Mac?

Solution 1: Repair WD external hard drive not readable with Disk Utility

Step 1: Launch Disk Utility.

Step 2: Choose the unmountable external drive on the left sidebar.

Step 3: Select First Aid in the top center and click Run.

Solution 2: Recover data and reformat the WD external hard drive

First Aid fails to repair external hard drive? The file system of the WD external hard drive may be seriously corrupted. In this case, you need to reformat the drive. Before reformatting, please make sure that you have backed up all important files. Didn't make backup before? iBoysoft Mac Data Recovery can help you restore lost data.

Step 1: Recover data from unredable WD external hard drive

Sometimes, the unreadable WD external hard drive contains some significant files. Under that condition, our first priority is to recover data from not readable WD external hard drive on Mac and then find method to fix unreadable WD external hard drive. As long as our external hard drive doesn't have hardware problem, iBoysoft Mac Data Recovery can help us to restore lost files.

iBoysoft Mac Data Recovery is free data recovery software that can recover data from not readable external hard drive, recover data from formatted external hard drive, recover data from inaccessible external hard drive, recover data from corrupted external hard drive, etc. on macOS Mojave 10.14/High Sierra 10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7.

Aside from that, iBoysoft Mac Data Recovery can also recover data from unreadable hard drive, recover data from unreadable USB flash drive, recover data from unreadable SD card, etc.

Tutorial to recover data from not readable WD external hard drive on Mac with iBoysoft Mac Data Recovery

1. Download and install iBoysoft Mac Data Recovery on Mac.

2. Launch iBoysoft Mac Data Recovery.

Unreadable WD external hard drive data recovery software

3. Select the not readable WD external hard drive and click "Next" button to scan all lost data.

4. Preview the searching results, choose files we need, and click "Recover" to restore files.

5. Have a check to ensure we have got all lost data back.

Solution 2: Reformat the unreadable WD external hard drive

After successfully recovered all lost data, we can fix not readable WD external hard drive by formatting it as the steps below without worrying about losing data.

Step 1: Launch Disk Utility from Utilities.

Step 2: Click the icon of not readable WD external hard drive on the left part of the window.

Step 3: Click the Erase function on the top of the Disk Utility window.

Step 4: Complete the related information (name, format, scheme), then click Erase button.

Still have questions?