My WD external hard drive keeps shutting down my MAC book pro whenever I plug it in. Any Idea why it is doing this and how to fix it? I also plugged it in to my MAC desktop and it does the same thing. Oct 27, 2017  Now your external drive has been formatted to be fully compatible with Apple MacOS, and you can edit, read, and write files to it as you want. How to Partition an External Hard Drive on Mac. If you want to create multiple partitions on your external hard drive (in fact, you should for better file organization), here’s a step-by-step guide. The WD, or Western Digital, My Passport is an external hard drive that comes in many memory capacities. The small portable one holds one to four terabytes of data on a product that only measures 13.8 millimeters thick for drives that hold one to two terabytes of data.

Lot of Mac OS X users reported this issue in Apple support communities. External hard drive showing up in Disk utility not in Devices. This problem also happened after OS X Yosemite update.
Solution 1:-
Go to Settings -> Finder Preferences . Under the General tab, select External drive in “Show these items on the desktop”.

Solution 2 :-
Go to Disk utility and select the external drive from the left sidebar. Choose verify disc. It will find and correct minor errors.
Solution 3:-
If you are connecting your external hard drive with Mac using USB Hub, check the USB hub first.
Solution 4:-

1. Open Disk Utility. If your external USB drive drive faded/greyed out and unmountable?
2. Connect another external drive or Pen drive to computer. This drive also not recognized drive?
3. Do the proper eject from the Finder window list.
4. Restart your computer and connect the external drive.

Solution 5:-

1. From the Finder menu, select “Go to Finder”.
2. Type the external drive path what appears under Disk Utility. Ex: /Volumes/sleekdisk

Solution 6:-
Drive not showing up in Finder but visible in Disk Utility?
Go to Finder window and view below the favourite list. If the drive greyed Out? Select the drive. It might visible.
Solution 7 :-

1. Shut down your Mac computer .
2. Unplug the power cord.
3. Unplug all USB connections.
4. Wait 30 seconds or 5 minutes then plug it back in.
5. Then turn on your MacBook Pro or iMac.
6. Plug the external drive only to the USB port. Open Finder and check your drive.

Solution 8:-
Install and run run Onyx (maintenance freeware) or
run Kext_Utility.app.v2.6.1 and restart your Mac machine.
Solution 9:-
Some times this issue might happened because of the unsupported drive format.
Install Fuse for OS X, NTFS-3G for Mac OS X and Fuse wait.
Restart your computer and check the issue.
If the above methods not working?

• Install fresh OSX Yosemite.
• Connect your segate external drive or WD passport to Windows computer. Delete the partition and connect back to MacBook Pro.

If you knew any other solutions, inform us via comment.

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 torecover data from unmountable external hard drive as soon as possible.

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

As the best free Mac data recovery,iBoysoft Mac Data Recovery is able to recover 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.

Wd 4tb External Hard Drive For 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.

How To Reformat Wd Easystore

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.

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