Mar 15, 2018 Rather than use a Mac-formatted drive, you should get the important files off of it and use exFAT-formatted drives for moving data between Macs and PCs. To format the drive in Windows, right-click it in the File Explorer window and select “Format.” Choose the “exFAT” file system in the list and click “Start.”.
Summary: This blog explains five best ways to resolve the “external hard drive not mounting” issue on Mac.
It also shares a reliable software-based method to recover data from unmounting (or un-mountable) USB hard drive on Mac. Free evaluate the best Mac external drive recovery software from the below.
When you connect an external hard drive on Mac, it will show up on Desktop, Finder, and DiskUtility. But sometimes the external drive won’t appear on any of these places. Consequently, data inside the unmounted external hard drive turns inaccessible. The contained files and the external drive’s integrity comes to a stake.
Don’tworry, read and apply the below fixes to resolve Mac unmounted external drive issue.
1. Change macOS Settings
Ensure Finder preference to show external disks on Desktop or Finder is enabled.
Ensure Disk Utility’s View menu has “ShowAllDevices” option selected. Canon cp800 driver for mac mojave ca.
2. Reset Mac Firmware Settings
Reset NVRAM (Non-volatile RAM) & PRAM (Parameter RAM).
Reset SMC (System Management Controller) on your Mac.
3. Fix External Hard Drive Connectivity Issue
Ensure proper connectivity of your external hard drive to your Mac.
ReadCaseStudy: Whooping 94% data recovered from unmounted external drive on MacBook Pro
4. Troubleshoot External Hard Drive
Mount the external hard drive from Disk Utility.
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Check the SMART status of the external hard drive if it unmounts intermittently.
5. Recover Data from Non-Mounting External Mac Hard Drive
Ensure the external hard drive is detected in Disk Utility, then fulfill the following data recovery prerequisite.
Leverage the Mac external drive recovery software to recover data from the not-mounting external storage drive.
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Note: *Trial software allows you to scan storage drive and preview scanned files. Activate Stellar Data Recovery Professional for Mac by using its activation key and recover the files.
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Watch the next video to know more about the software and its usage.
Conclusion
This blog presented 5 different methods to troubleshoot ‘external hard drive not mounting’ issue on Mac. You can begin with fixing the external hard drive connectivity issue, changing macOS settings, resetting Mac firmware settings, troubleshooting the drive, and finally recovering data from the hard drive.
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If the external hard drive is not detected in Disk Utility, then it may have a hardware issue. And if the basic hard drive connectivity fixes don’t resolve the problem, then you need to try Stellar Data Recovery software for Mac.
We hope this blog post helped you understand the possible reasons, as to why macOS can’t mount the external drive on Mac and how to troubleshoot and recover the unmounted Mac external drive. For any query, write to us in the comments section below.
Mount External Hard Drive Mac
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