Why won't my iMac recognize my seagate external hard drive since I updated to Monterey?
iMac 21.5″, macOS 12.0
Namaste!
I faced the same problem after upgrading to Monterey. The toolkit was not prompting to enter the password. Neither the Unlock Drive for Mac app was working. It was giving the error " You can not open the application ...... because it may be damaged or incomplete". Came across this page while searching for the solution. But, realised it is still not resolved.
And then while exploring, something worked and now I am able to use my drive.
Sharing what solved the issue for me.
I clicked on the Seagate Toolkit icon on the top bar (it appears next to the bluetooth icon [if the toolkit is installed]) and choose the second option which reads "Seagate Secure" and clicked.
It took me to toolkit update option. Next it prompted to disconnect the drive so that it can update the toolkit. I disconnected the drive. The toolkit was updated. Then it prompted to allow the app in the security settings. Which I did by going to the System Preference -> Security and Privacy -> General tab - go to allow apps downloaded from ..... and check to allow seagate ( You may need the admin password for allowing)
Next, it prompted for restarting the system, which I did.
After restarting, I clicked on the Seagate Toolkit icon (next to the bluetooth icon) to open it. It said no drive is detected. So, i connected the drive. And as soon as i connected the drive it prompted to enter the password.
That's it.
Now I am able to use my drive as I was before.
Hope it works out for you all too.
Good wishes.
-Jayant
I have the same situation after upgrading.
I plugged the drive into my daughter's Mac and it would read it.
Thinking I will need to take the drive to computer store and have them transfer to a newer Seagate backup drive i have
I have exactly the same issues and it is hard (impossible) for me to think it is not associated with the upgrade of OS system to Monterey. Like many others the MAC recognised the Seagate drive and allowed it to be unlocked until now when the message comes up as " You can’t open the application “Unlock Drive for Mac” because it may be damaged or incomplete."
These are not coincidences given consistency. IF anyone finds a solution I would be grateful to hear as I don't wish to reformat disk as I will lose previous backups
There is no need to use add-on software, absent some particular feature. The only add-ons typically required are for some unique local hardware feature, or for device-specific diagnostics or such tools.
During normal operations, a USB storage device is a USB storage device, and Mac deals with those just fine, including—if you select it—device encryption.
As for NTFS, I wouldn’t suggest using that with Mac, unless you very specifically need to shuffle devices around with Windows and cannot set up a local file share (and an SMB file share is included with Mac).
I am using the harddrive even before upgrading to Monterey. I dont really use the Toolkit. I have been using the “Unlock Drive for Mac.app” ever since to access the drive. But now, after the upgrade, it states “You cant open the application ….. because it may be damaged or incomplete”
It is in NTFS cause i need to use it with my PC or other devices.
Overall, it means that the problem really here is Monterey since i can use the Seagate harddrive when i was still in Big Sur. Apple/Seagate needs to fix this cuase it will be useless to reformat my “backup harddrive”
Anyway, Thank for your help/explanations. Much appreciated.
I have the identical problem. The drive worked fine as a backup until I updated to Monterey. I can backup the hard drive but using it for Time Machine is a nightmare. It works, then suddenly is not recognized. Disk Utility can't repair using First Aid. I have to go into Recovery Mode to reformat, then I'm in the same cycle. Time Machine backs up once, then doesn't recognize the drive.
Same. The Unlock Drive for Mac.app is not working. I cant open the application because it may be damaged or incomplete. Tried reinstalling the Toolkit, didn’t work.
I have the same problem and Disk Utility failed as well ... kept saying process failed
I’m using this app(?) ever since. The hard drive is already in NTFS. I dint know what happened, i was literally using this drive few minutes before the upgrade to Monterey.
it stopped to work on my Seagate external HD after to updated to Monterey =/
OS Monterey doesn't recognize seagate external hard drive
