Is the drive formatted with the Seagate software? It's best NOT to use the software that comes with the drive but to use Apple's Disk Utility to format the drive. However if you did use the Seagate software, you can try running Repair Drive from Disk Utility in Applications/Utilities on the drive.
Backup Plus and GoFlex Desk Thunderbolt Software for Mac. The Seagate Thunderbolt adapter driver is only needed if you are using 3TB or 4TB drives with the Thunderbolt adapter and plan to change drives with other GoFlex adapters (such as USB or FireWire). The included Backup Plus for Mac desktop drive can now take full advantage of the blazing-fast Thunderbolt connection on your computer With the Save feature within the included Seagate Dashboard, user-generated content can be backed up from your favourite social networks. Backup Plus Desktop Drive for Mac Your digital life safe and sound. Backup Plus from Seagate is the simple, one-click way to protect and share your entire digital life–without getting in the way of the rest of your life.
You'll know it was formatted by Seagate if you see a custom drive image in a Finder Window. You'll also see Seagate software on the drive.
If this fails to fix, you need to reformat using Disk Utility. This will erase all data on the drive so you would have to backup first.
Finally, the 4T drives don't have the best track records.The Seagate 2T and 3T drives are more reliable than the 4T.
Backup Plus For Mac Thunderbolt Drives
Personally, I would rather have two 2T drives than one 4T drive. That's a lot of data to loose if the drive goes bad.
Backup Plus For Mac Thunderbolt Catalina
Jun 14, 2014 5:53 PM