Oct 15, 2015 My Macbook Air 2011 can’t recognize my 6-month old WD Passport external hard drive. A few days ago I had the same problem. Finder can’t see it but Disk Utility can. After searching the web I found that I can fix it with the terminal command diskutil recover /dev/nameofdisk. My HD got fixed and was running fine until yesterday. After I plugged it in, I felt it spinning. Then Double click to start up your Disk Utility software. In Your Disk Utility Window. Once your Disk Utility pop up window appears, look to the left of the window. You’ll see a list. Your Mac’s internal drive is listed first. Underneath, under the heading ‘External’ is where you’ll find your WD Elements drive. Western Digital SSD 控制面板. 適用於 Mac 的軟體 GoodSync for WD. Install WD Discovery for Mac. WD Drive Utilities for Mac. WD Security for Mac. 產品韌體 產品. 如果您的產品未在上面列出,請造訪產品頁面.
Step 1: Go to Applications Disk Utility. Step 2: Click 'View' and choose 'Show All Devices'. Step 3: Select the unrecognized WD hard drive from the sidebar. Step 4: Click on First Aid on the top. Wait while First Aid verifying and fixing possible errors of the WD hard drive. If First Aid can't repair the WD hard drive, or Disk Utility doesn't recognize the volumes of the drive, probably, the. Aug 09, 2017 Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the.
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Disk Utility User Guide
Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Disk Utility can’t detect or repair all problems that a disk may have. Mac apps images as scanned docs.
![Utility Utility](/uploads/1/3/3/4/133401699/720447337.png)
If you run First Aid on a disk, Disk Utility checks the partition maps on the disk and performs some additional checks, and then checks each volume. If you run First Aid on a volume, Disk Utility verifies all the contents of that volume only.
- In the Disk Utility app on your Mac, choose View > Show All Devices.Note: If you’re checking your startup disk or startup volume, restart your computer in macOS Recovery, select Disk Utility in the macOS Utilities window, then click Continue. If you check your startup volume (Macintosh HD), make sure you also check your data volume (Macintosh HD - Data).
- In the sidebar, select a disk or volume, then click the First Aid button .If Disk Utility tells you the disk is about to fail, back up your data and replace the disk—you can’t repair it. Otherwise, continue to the next step.
- Click Run, then click Continue.If Disk Utility reports that the disk appears to be OK or has been repaired, you’re done. You can click Show Details to see more information about the repairs. Otherwise, you may need to do one of the following.
- If Disk Utility reports “overlapped extent allocation” errors, two or more files occupy the same space on your disk, and at least one of them is likely to be corrupted. You need to check each file in the list of affected files. Most of the files in the list have aliases in a DamagedFiles folder at the top level of your disk.
- If you can replace a file or re-create it, delete it.
- If it contains information you need, open it and examine its data to make sure it hasn’t been corrupted.
- If Disk Utility can’t repair your disk, or you receive a report that the First Aid process failed, try to repair the disk or partition again. If that doesn’t work, back up as much of your data as possible, reformat the disk, reinstall macOS, then restore your backed-up data.
If your Mac has a Fusion Drive and you see a flashing question mark or alert, see the troubleshooting section of the Apple Support article About Fusion Drive, a storage option for some Mac computers.
If you continue to have problems with your disk or it can’t be repaired, it may be physically damaged and need to be replaced. Windows 10 file encryption software. For information about servicing your Mac, see Find out how to service or repair your Mac.
See alsoErase and reformat a storage device in Disk Utility on MacAdd, delete, or erase APFS volumes in Disk Utility on MacPartition a physical disk in Disk Utility on Mac
Summary: This post shows how to access a WD hard drive when it's not recognized by Mac. To fix WD external hard drive not recognizing error without data loss, you can recover lost data from the unrecognized hard drive for free with iBoysoft Data Recovery for Mac.
Just like Seagate external hard drive not recognized on Mac, Western Digital hard drive not recognized on Mac is another frequently asked question in Apple related forums.
So, if you are wondering:
- Why is the Mac not recognizing my WD hard drive?
- How can I make the unrecognized WD hard drive work on Mac again?
- Can I fix this issue without losing my important data?
You are in the right place for a solution!
How Mac recognizes a WD external hard drive?
The process of Mac recognizing an external hard drive is a little complicated even though you can't see it. Specifically, when you plug a WD hard drive into a Mac computer, macOS would be notified. Then macOS will call all related hardware and software to read, recognize, and show this hard drive on the Desktop and in Finder, so that finally you can access your data on the drive on your Mac computer.
So, we usually simplify this process in 4 steps:
- The WD hard drive is supplied with power.
- macOS reads partition information of the WD hard drive.
- macOS recognizes the file system of each volume.
- Users access data on the WD hard drive.
However, if any part of this process goes wrong, Mac won't recognize your WD hard drive. As a consequence, you can't access, copy, write to or transfer data stored on it.
Guide to Fix Mac not recognizing WD hard drive
So, based on the process of Mac recognizing a WD hard drive, we need a thorough check to know which part makes the WD hard drive not working on Mac, and then fix it in the following part.
Quick fixes of WD hard drive not recognized on Mac error
A proper connection is the most basic condition that Mac can access the WD hard drive. Or else the external hard drive would not even show up in Disk Utility. When your Mac can't recognize an external hard drive, you can always do the following quick fixes at the very beginning.
![Utility Utility](/uploads/1/3/3/4/133401699/751266601.png)
- Make sure the WD hard drive is externally plugged into a wall outlet if it's a WD desktop hard drive like WD Elements Desktop and My Cloud.
- Connect the WD hard drive USB cable directly to the computer and do not use a USB Hub.
- Try a different USB cable and port for power and data supply, especially if the My Passport external hard drive is not showing up in Disk Utility.
- Try a different USB-C adapter to connect the WD hard drive if your Mac only has the Thunderbolt 3 port.
- Try to connect the WD hard drive with a different Mac computer to check if the WD hard drive can be recognized on that Mac.
- Try to plug the WD hard drive in to a PC to check if the file system of the WD hard drive is not compatible with Mac.
The WD hard drive lights on but is not recognized by Mac still? Wait! Do you allow your Mac to show the recognized WD hard drive in the Finder and Desktop?
Show the WD hard drive in the Finder and Desktop
Sometimes, you think WD hard drive is not recognized by Mac because the WD external hard drive isn't showing up in Finder or on the desktop. However, the fact is that the WD hard drive is detected by macOS and it is not set to show up on Mac.
In this case, you can show the WD hard drive by changing the settings:
Step 1: Go to Finder > Preferences > General, make sure the 'External disks' option is ticked. This will make the WD hard drive show up on the Desktop.
Step 2: Select Sidebar tab on the top, make sure the 'External disks' option under Locations is also ticked.
The WD hard drive is not working on Mac still?
Well, it seems that Mac really can't recognize the WD hard drive. We need to take advantage of some tools for further check.
Update incompatible WD Apps with WD Discovery
Western Digital has multiple self-developed software, including WD Drive Utilities for Mac, WD Discovery for Mac, and WD Security for Mac. Possibly, your Mac doesn't recognize the WD hard drive because the WD software is not compatible with your macOS.
In this situation, you can simply update those WD programs through WD discovery.
Check if the WD hard drive is password locked
If you are using WD hard drives like My Book Drive and it is not recognized by Mac now, you can check if the hard drive is password protected. It's because macOS won't read the partition information and mount the volumes if the WD hard drive is password locked.
You can download and install WD discovery to unlock the WD hard drive if a password has been set to protect the hard drive.
The WD hard drive is not encrypted? Then the reason for Mac not recognizing the WD hard drive is that macOS fails to access the partition and file system information.
Repair the unrecognized WD hard drive in Disk Utility
Disk Utility is a built-in disk management and repair tool on Mac computers. When a WD hard drive is not recognized or not working due to inner disk errors, you can try to repair the unrecognizable WD hard drive with Disk Utility.
Tips: Before you try to repair the WD hard drive in Disk Utility, if the WD hard drive shows up in Disk Utility but not mounted, you can select the Mount option first then the WD hard drive will be mounted on the Desktop.
Step 1: Go to Applications > Disk Utility.
Step 2: Click 'View' and choose 'Show All Devices'.
Step 3: Select the unrecognized WD hard drive from the sidebar.
Step 4: Click on First Aid on the top. Wait while First Aid verifying and fixing possible errors of the WD hard drive.
If First Aid can't repair the WD hard drive, or Disk Utility doesn't recognize the volumes of the drive, probably, the WD hard drive could be corrupted caused by bad sectors.
Use WD Drive Utilities when WD hard drives not working on Mac
If a WD hard drive won't work normally on a Mac due to bad sectors or other parameter errors, you can use WD Drive Utilities for Mac to have a diagnosis what happens to your hard drive. It's because WD Drive Utilities is a specialized utility for WD hard drives to check for potential drive failures, slow disk performance, and bad sectors.
Step 1: Install WD Drive Utilities on your Mac and then launch it.
Step 2: Plug the unrecognizable WD hard drive into the Mac.
Step 3: Click on 'Diagnose' and choose 'Run Quick Drive Test' to check the WD drive completely.
Fix the unrecognized WD hard drive by reformatting
If the unrecognizable WD hard drive can't be repaired by WD Drive Utilities, the file system of the WD hard drive might be seriously damaged or corrupted. In this case, you have to reformat or erase this WD hard drive. Before that, it's necessary to recover lost data from unrecognized WD hard drive with free hard drive data recovery software for Mac, like iBoysoft Data Recovery for Mac, to avoid data loss.
iBoysoft Data Recovery for Mac is professional in external hard drive data recovery on Mac. It supports Western Digital, Seagate, Toshiba, Samsung, and hard drives of other manufacturers. Open source video capture software mac pro. This data recovery software can recover lost data when hard drive is unrecognized, unmountable, unreadable, corrupted on Mac. Besides, iBoysoft Data Recovery for Mac can recover lost data from Macintosh hard drive, USB drives, Pen drives, SD cards, memory cards, CF cards as well as other storage devices.
Tutorial to recover lost data from unrecognizable WD hard drive with iBoysoft Data Recovery for Mac and reformatting
Step 1: Recover lost data from unrecognized WD hard drive with iBoysoft Data Recovery for Mac.
1. Download, install, and launch iBoysoft Data Recovery for Mac.
To recover your important photos, videos, music, documents, emails from this unrecognizable WD hard drive, you can free download and install iBoysoft Data Recovery for Mac on your Mac.
2. Scan for lost data on the WD hard drive.
When the data recovery software is launched, you will see your unrecognizable WD hard drive in the interface. You need to select this corrupted WD hard drive and then click the 'Scan' button to scan for data on this drive.
3. Preview and recover files.
When WD hard drive is corrupted, you can't access your data on this drive. But you can use iBoysoft Data Recovery for Mac to preview the data on the drive, which will help you make sure your files are not corrupted before you finally click 'Recover' to recover them.
Step 2: Fix WD hard drive not recognized error by reformatting.
1. Go to Disk Utility and select the unrecognized WD hard drive from the sidebar.
Wd Disk Utility App Mac Free
2. Click on Erase on the top.
3. Follow the instructions to finish the reformatting process.
Mac Disk Utility Restore
After reformatting WD hard drive process finished, you will hopefully see the WD hard drive recognized and showing up on Mac correctly.
However, if the external hard drive is not showing up in Disk Utility at all, the great chance is that the WD hard drive is physically broken. As a result, Mac can't read and recognize it. In this case, we advise you to check if the serial number of the WD hard drive is still in warranty so that you can ask for a repair or replacement service.
WD provides no-limited warranty unless your WD hard drive was purchased from an authorized distributor or authorized reseller like Amazon. So, if your WD hard drive is dead for disk corruption, please free free to contact their support team for warranty status review and product replacement.
Conclusion
Whenever a WD hard drive being unrecognized on Mac, data rescue should come first. After recovering data from the unrecognized hard drive with free data recovery software like iBoysoft Data Recovery for Mac, you can then try to fix the error in different ways without worrying about data loss. Besides, iBoysoft Data Recovery for Mac also helps recovering data when USB flash drives, Toshiba external hard drives, or other external hard drives that are not showing up on Mac.