The EDMini can be reset and flashed to the newest firmware using the USB updater.
To download the updater please go to http://www.lacie.com/us/support/drivers/driver.htm?id=10070. Download and install the updater. Then proceed to either resetting the device or updating the firmware.
To update the firmware:
WARNING: Updating the firmware will result in the loss of all data.
The drive is now updated.
To reset the drive, but not update the firmware:
WARNING: Resetting the settings will result in the loss of all data.
Once complete the device has been reset.