Nov 04, 2019  In the main console, locate the partition on the WD Passport external hard drive, right click it and choose Format Partition. On this pop-up screen, choose NTFS, FAT32 or exFAT among listed file systems and click OK.

I have a 1 TB WD external HD that won't mount. I connect it via firewire to my MacBook Pro running OS 10.13 High Sierra. My mac sees the drive, it just won't mount. I've also tried to mount it via USB, but again, my system sees the drive, but won't mount it. Does anyone have any suggestion what I can do?

Generally, when you connect an WD, Seagate, Toshiba, Samsung external hard drive to Mac, it will be automatically mounted, then you can perform read and write operation on it. Alternatively, you can also select the disk and click on Mount to make it accessible by the operating system using Disk Utility.

However, it may happen that your WD external hard drive won't mount on Mac, usually when you desperately need to access some data stored on it. Remain calm, all data on WD external hard drive is still there. This article will explain how to fix WD My Passport not mounting/showing up/recognized/detected.

WD external hard drive won't mount on Mac, how to fix?

First of all, if your WD external hard drive is listed on the left-hand-side menu of Disk Utility, you can make sure it doesn't have any hardware problem. Why the WD external hard drive won't mount? It is because the file system of the disk has been corrupted, preventing the disk from being accessible on Mac. Just try these solutions below.

Solution 1: Run Disk Utility to repair the WD external hard drive

No matter what problems you are meeting on a disk, First Aid is your first choice to repair it.

Step 1: Launch Disk Utility.

Step 2: Choose theunmountable WD external hard drive.

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

Solution 2: Reformat to fix WD My Passport not mounting

If Sometimes, the Disk Utility may not function as desired. In this situation, the only solution is to reformat the WD external hard drive. But reformatting will remove all data on the disk. In order to avoid data loss, you have to recover lost data from unmountable external hard drive as soon as possible.

Step 1: Recover lost data from unmountable WD external hard drive on Mac

As the best free Mac data recovery, iBoysoft Mac Data Recovery is able to recover lost data from unmountable, unreadable, corrupted, inaccessible external hard drive, hard drive, USB flash drive, SD card, memory card, etc. It supports to recover documents, photos, music files, videos, emails on macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.

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

2. Launch this program. Select the unmountable WD external hard drive and click 'Next'. The program will start scanning this drive for recoverable files.

3. After the scanning process finishes, you can click the found files and preview.

4. Choose what you want to get back and click 'Recover'.

5. Go through the recovered files and make sure all desired files are back.

Step 2: Fix WD external hard drive not mounting/showing up/recognized/detected on Mac by reformatting

1. Go to Applications > Utilities > Disk Utility.

2. Select the unmountable WD external hard drive and click 'Erase' on the top.

3. Provide a name and a format to erase the drive.

4. When finished, you can mount your WD external hard drive on Mac and use it again.

Hope this tutorial can help to fix WD external hard drive not mounting/showing up/recognized/detected on Mac. If you have any question, please feel free to contact us.

Also read: Can't See External hard drive showing up on Mac, What to do?

Still have questions?

Can I Use WD Hard Drive on Mac and PC

Before you get the answer, you must figure out what kind of file system can work well on both the macOS and the Windows system. macOS supports a handful of common file systems - HFS+, FAT32, and exFAT, with read-only support for NTFS. While Windows employs two major file systems: NTFS and FAT. FAT was inherited from old DOS and has exFAT as its later extension. In addition, the ReFS file system was developed as a new generation file system for server computers starting from Windows Server 2012.

That is to say, only FAT32 and exFAT can work on both Mac and PC. If you want to share digital files between Mac and Windows system easily, you must convert WD My Passport to FAT or exFAT.

Difference Between FAT32, exFAT, and NTFS

FAT is known as the File Allocation Table. The successive major versions of the FAT format are named after the number of table element bits: FAT12, FAT16, and FAT32. FAT32 is the oldest of the three file systems available to Windows. Individual files on a FAT32 drive can’t be over 4 GB in size. A FAT32 partition must also be less than 8 TB, which admittedly is less of a limitation unless you’re using super-high-capacity drives.

exFAT, Extended File Allocation Table, is optimized for flash drives. It was added to older versions of Windows with updates to Windows XP and Windows Vista. This file system doesn't have the limitations of FAT32. You can use it when you need a bigger file size and partition limits than FAT32 offers.

NTFS, NT File System, is the modern file system Windows likes to use by default. It is packed with modern features not available to FAT32 and exFAT. However, it only works with all versions of Windows, but read-only with Mac by default.

If you want to use WD My Passport or any other hard drive on Mac and PC, you need to format a Western Digital My Passport external hard drive in exFAT or FAT32 format.

Format WD My Passport in Windows Platform

You can format a Western Digital My Passport external hard drive to ex-FAT or FAT32 format using a free ex-FAT or FAT32 converter - EaseUS Partition Master or use built-in applications Windows.

Format WD My Passport Using Software

It is a wise choice to use a professional format tool. With the help of EaseUS Partition Master Free, you can perfectly bypass the format limitation of the Windows disk management tool and help you format WD My Passport to FAT32 or exFAT easily without any obstacles. What's more, this Windows partition software helps you create, resize, clone, move, and merge partitions without difficulty. Follow the details below to convert WD My Passport to FAT32 or exFAT.

Step 1: Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the 'Format' option.

Step 2: Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.

Step 3: In the Warning window, click 'OK' to continue.

Step 4: Click the 'Execute Operation' button in the top-left corner to review the changes, then click 'Apply' to start formatting your external hard drive/USB/SD card.

Format WD My Passport Using File Explorer

Windows limits FAT32 partitions to 32GB. It does not offer the ability to format a drive larger than 32GB to FAT32, the only available choices are NTFS or exFAT. If you want to format your WD My Passport to FAT32, you must make sure that the size is smaller than 32GB. If it is larger than 32GB, you can only format it to exFAT.

Step 1. Open Windows File Explorer, locate and right-click on WD My Passport that you need to format, select 'Format'.

Step 2. Rename the drive, reset its file system to FAT32 or exFAT.

Step 3. Click 'Start' to begin the formatting.

Format WD My Passport in macOS/OS X Platform

The easiest way to format the drive to FAT32 or exFAT is by using macOS's built-in Disk Utility for FAT32 or exFAT.

Tips: The instructions below are designed to help repartition and format a hard drive. Once the process begins, all the data on the drive will be lost!

Step 1. Connect WD My Passport to your Mac.

Step 2. Once that's done, double left-click on the Mac HD, the internal Mac hard drive visible on the top-right corner of the desktop screen.Select 'Applications > Utilities > Disk Utility'.

Step 3. Select your WD My Passport on the sidebar, choose 'Erase'.

Step 4. Rename the drive, select the 'Volume Format' drop-down list and choose 'MS-DOS (FAT)' or 'ex-FAT File System'. Then click 'Erase'.

Wait for the process to complete and let the macOS erase data on the drive and reformat it by FAT32 or ex-FAT format. Then, you can use the drive in macOS or OS X as a regular hard drive.

Tips to Avoid Formatting WD My Passport Without Backup

Just as I have mentioned above, once the process begins, all the data on the drive will be lost. To avoid unnecessary data loss issues, we highly recommended all users extract or back up important data to another device or partition in advance. You can copy files one by one to a new disk or drive. If you have quite a lot of data to be transferred, professional backup software shall be your best choice. Here we recommend you to try EaseUS Todo Backup which allows you to directly back up target data with simple steps.

Step 1: Launch EaseUS Todo Backup software and then choose 'File Backup', 'Disk/partition Backup' or 'System Backup' for different backup purpose.

Step 2: Choose the system, disk partition, files or apps that you want to back up. Epson l380 scanner driver software download. Then select a destination where you want to store the backup file.

Step 3: Click 'Proceed' to start the data backup process.

Hot Topics - People Also Ask These Questions

What is the difference between NTFS, fat32, and exFAT?

NTFS is the commonly used file system for Windows internal drives. Windows OS can only be installed on an NTFS partition. FAT32 is an older file system used for external drives due to its great compatibility. exFAT is a replacement for FAT32, which is not as compatible as FAT32 but without the limitations of FAT32.

Can I use WD hard drive on Mac and PC?

Yes. If you want to use WD My Passport or any other hard drive on Mac and PC, you need to format a Western Digital My Passport external hard drive in exFAT or FAT32 format.

Can I convert exFAT to NTFS without losing data?

You are unable to directly convert exFAT to NTFS without losing data, as there is no such utility that can help you perform the exFAT to NTFS conversion. You can back up exFAT partition data to another drive and then format the exFAT partition to NTFS with EaseUS Partition Master Free.

How do I format my WD Passport?

Step 1. Run EaseUS Partition Master, right-click the hard drive partition you intend to format and choose Format.

Step 2. In the new window, set the Partition label, File system (NTFS/FAT32/EXT2/EXT3/exFAT), and Cluster size for the partition to be formatted, then click OK.

Step 3. Click OK in it to continue.

Step 4. Click the Execute Operation button on the top-left corner to review the changes, then click Apply.

Conclusion

You can format your Western Digital My Passport external hard drive to FAT32 or exFAT format to transfer the data between a Mac and Windows system conveniently. According to the solutions above, the EaseUS partition tool stands out for its convenience and easiness. It's always your best choice.