Apricorn ADT 500GB User Manual page 16

9. The Nonempty Destination Hard Disk screen will appear when you have
selected to transfer data to a drive that already contains data. If you have
chosen the proper source and destination drives, then select the "Delete
partitions on the destination hard disk" button. Click Next to continue.
Note: If you need to confirm that you have selected the proper
source and destination drives, click the Back button to check.
10. The next screen outlines the operations that Disk Clone will perform.
Click Proceed to continue with cloning your hard disk drive.
12. The computer will reboot and the cloning process will now begin.
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