Activate only one volume at a time so that you can enter its password.
In NSSMU, select .
In the list, select the encrypted volume that you want to activate.
Press to activate the volume.
If you are prompted to enter the password, enter the password, then click .
You are prompted for the password on the first time the volume is mounted after a system reboot. The password is stored on the system until the next system reboot. You can activate the volume without the password until a system reboot occurs.