Wednesday, 1 July 2020

Mac Catalina: LaCie Rugged external hard drive won't mount

My old LaCie Rugged hard drives have suddenly stopped auto mounting to my Mac Catalina desktop. If you're having the same issue, here is a work around:

First: Open Disk Utility (Applications > Utilities > Disk Utility) and see if the external hard drive appears to be mounted (in my case this is a LaCie Rugged hard drive called "Work Back Up").

Note that when the external disc is mounted in Disk Utility it says "Unmount" in the top menu. 
If this says "Mount", try clicking that to see if the disk appears on the desktop.
If this is greyed out, you may have a damaged disk. 

If it appears to be mounted in Disk Utility but does not appear on the Finder desktop or in a Finder folder, go to Finder Preferences and make sure you check/tick "external disks".

If that is ticked and you still don't see your external hard drive, go to desktop > Finder > Go > Go To Folder

Now enter "/Volumes"

If your external hard drive appears in the Volumes folder, drag it to your Finder sidebar (it will just create an alias), where your other devices appear. My LaCie Rugged hard drive is called "Work Back Up". I simply select it and drag across to the top of the side bar window.

Version: Mac Catalina 10.15.5

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