External hard drive won't mount on Mac, how to recover data from unmountable or unmounted hard drives on Mac? Find fixes in this article.
Recover files of an unmountable APFS partition on a portable SanDisk SSD drive – Swiss Mac User
Fixed: The External Hard Drive Not Connecting and Keeps Disconnecting on Mac
Recover Files Disappeared from External Hard Drive on Mac
10 Best professional MAC Lost Data Recovery software or tool
Regaining Data from Mac Hard Drive That Won't Mount
Recover Lost Data from Unmountable Hard Drive on Mac
Ways to Fix Seagate External Hard Drive Not Showing up on Win/Mac
How to Recover Unmountable SD Card Deleted Files?
How to recover a formatted hard drive on Mac or Windows?
Recover Mac Storage Drive Data via Target Disk Mode
How to Force Mount A Disk on Mac: External Drive not Mounting Solved
How do I Recover Data from an Unmounted drive on macOS Catalina