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Encrypted drive on Mac decrypts without asking for password

My Mini has two external Seagate drives connected to it. They're both encrypted and password-protected. One of them has its password saved for some reason, so I don't get asked for it anymore when I connect it to the Mini or turn it on again. When the other drive is connected, I still am. Is it possible to make Mojave "forget" the password?

Best Answered by

iBoysoft author Amanda Wong

Amanda Wong

Answered on Monday, February 19, 2024

As you said, one Seagate drive has its password saved on your Mac, therefore, it automatically decrypts the drive with the saved password when you connect it to your Mac Mini. If you want to make it prompt for a password, you need to delete the saved password from the keychain.

In your case, the encrypted external hard drive doesn't ask for a password on your Mac given that the external hard drive password is stored in your keychain. If you want the Mac to forget the password, follow the steps below to remove the password from Keychain Access.

  1. Navigate to Applications > Utilities > Keychain Access in the Finder.
  2. Enter the external hard drive's disk name in the search field on the Keychain Access interface.
  3. Verify whether or not the external drive is listed here.
  4. Right-click on the drive and choose Delete "The disk name".

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