How to fix My Passport hard drive not readable on Mac?

Posted by Katrina to Mac Data Recovery on September 18th, 2018

Summary: Sometimes, when you try to access your WD My Passport hard drive on Mac, an error pops up: "The disk you inserted was not readable by this computer". Are you wondering how to fix My Passport hard drive not readable on Mac without data loss? The instructions below are written to assist in troubleshooting this issue.

Problem – My Passport hard drive not readable on Mac

My Passport hard drive not readable issue is a common problem that occurs with every USB devices and on different macOS versions. Here is a complaint from Apple support community:

Hi everyone, I have a 1TB Toshiba external hard drive which I've been happily using for the last 6 months. That was until I upgraded to Mojave the other day. Now I get the error "The disk you inserted was not readable by this computer.""As I say it's been all good until the upgrade. It's driving me nuts!! Any help getting to the problem would be great!

There are several fairly common scenarios that will trigger this particular error message, including disk failure and wrong file system. Down below, you will find a collection of verified troubleshooting steps.

How to fix My Passport hard drive not readable on Mac?

Solution 1: Eject and reinsert My Passport hard drive

The first and quick tip is to remove the My Passport hard drive and then reinsert it on your Mac computer.

Solution 2: Check the driver

In some cases, an old drivers can also cause a device to malfunction when connected to a Mac computer. You can attempt to verify, update or reinstall the outdated driver.

Solution 3: Repair the unreadable My Passport hard drive

First Aid is a useful tool to repair minor errors on disks. But this isn't guranteed to work, some users will face some error messages after performing the steps below:

Step 1: Launch Disk Utility.

Step 2: Choose the My Passport hard drive from the left sidebar.

Step 3: Click the 'First Aid' tab on the top.

Solution 4: Reformat the My Passport hard drive

If First Aid cannot fix the unreadable issue, chances are your My Passport hard drive has serious file system corruption that the Mac computer cannot recognized it. The last solution is to reformat the hard drive.

Warning: Keep in mind that any operation of this kind will end up erasing all data stored on the disk. If you have important data on the disk, please recover lost data with a professional data recovery tool like iBoysoft Mac Data Recovery.

Step 1: Recover data from the unreadable My Passport hard drive

iBoysoft Mac Data Recovery is a free external hard drive data recovery software which can recover data from unreadable hard drives, external hard drives, SD cards, memory cards, USB flash drives, CF cards, etc. It is compatible with macOS Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.

Besides, iBoysoft Mac Data Recovery performs successfully from the failed, corrupted, formatted, unrecognized external hard drives, hard drives, SD cards, memory cards, USB flash drives, thumb drives, CF cards, etc. It also offers free preview of the recovered files and useful filtering methods, making data recovery a piece of cake.

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

2. Launch iBoysoft Mac Data Recovery.

Recover data from unreadable My Passport hard drive on Mac

3. Select the unreadable My Passport hard drive and click "Next" button to scan for all the lost data.

4. Preview the searching results, choose files you need, and click "Recover" to get them back.

Step 2: Reformat the WD My Passport hard drive

After data recovery, you can reformat the My Passport hard drive for reuse. Launch Disk Utility and select the drive from the left sidebar of the window. Click the Erase button on the top of the Disk Utility window. Complete the related information (name, format, scheme), then click Erase.

Bottom line

This article focuses on how to fix My Passport hard drive not readable without data loss. If none of the methods above have helped you to solve this issue, you can try out data recovery software like iBoysoft Mac Data Recovery to recover important data on that drive. Then send it to local repair center or replace it with a new one.

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