NTFS (New Technology File System) is a proprietary file system developed by Microsoft. Solution 4: Check if the external hard drive is NTFS formatted. Go to Finder > Preferences > Sidebar and make sure the 'External disks' option under 'Locations' is ticked. You can also set your Mac to show external hard drives in Finder. Then you'll see the external hard drive mounted on the desktop. Under such circumstance, you should go to Finder > Preferences > General and make sure the 'External disks' option is ticked. It's also possible that your Mac has alreadyrecognized the external hard drive butnot showing up on Mac desktop or Finder. Solution 3: Check if your Mac is set to show mounted drives on the desktop. To check this error, you can unplug the problematic external hard drive and plug a functional external hard drive into this USB port to see if it can be mounted normally. As you can see, insufficient power supply or damaged USB ports could also lead to external hard drives not mounting in macOS Catalina/Mojave/High Sierra. That's because there're USB 3.0 and USB 2.0 ports and they have some differences: USB 3.0 has higher transfer rates, provides more power, more bandwidth, etc. If your external hard drive or USB flash drive is not mounted on Mac, try plugging it into another USB port or a USB hub. Solution 2: Check if the USB port/USB hub is unmatchable, damaged or lack of power. Therefore, you need to make sure that the connection, i.e. Sometimes the cable itself will become hot because of a faulty connection. If the unstable connection is the case, your external hard drive would not be mounted even with a slight disturbance. Since the connection between your Mac and external hard drives relies on cables, loose connections could be the cause that your external hard drive is not recognized by your Mac computer.
Read more about Mounting a disk How to fix external hard drive not mounting in macOS Catalina/Mojave issue? Solution 1: Check if the hard drive is properly plugged in. How to recover lost data if Mac won't boot after Mojave update? 2. Summary:This article will show you 8 solutions to troubleshoot the external hard drive not mounting in macOS Catalina/Mojave error and how to recover lost data from unmountable external hard drives with iBoysoft Data Recovery for Mac. Those features in Disk Utility that involve external disks sometimes just don't work. Apple doesn't support external disks anymore. Otherwise, it is a pretty standard increment of an increasingly buggy app. The only real change in Disk Utility for Mojave is the ability to create shared volumes inside an APFS container.
The Installer comes with WD Drive Utilities and WD Security, is contained within the WD Drive Utilities zip files, and installs custom Western Digital software for WD USB and FireWire enabled external hard drives.
Instructions: First, download the utility zip file and unzip the file into a folder and double click the.exe file to install.
In case the storage drive is corrupt, the file system information is lost, which makes the hard drive un-mountable or unreadable on macOS.
Mounting makes the drive available for use and is visible in Finder and Disk Utility. WD external hard drive mounts on your macOS Mojave when you connect it to your MacBook. MacOS Mojave's boot volume which is also known as the Macintosh HD will be APFS formatted. To make your macOS Mojave 10.14 perform smoothly forever you should perform the simple task of repairing the macOS Mojave start-up disk drive with the help of the Disk Utility application.And while the various cloning apps have a lot more features, if you don't have access to third-party apps, using Disk Utility will create a perfectly usable clone, although it may require a few more steps and lacks some nice features, such as automation and scheduling.
Why Use Disk Utility's Restore Function? Disk Utility is free and included with every copy of the Mac OS.