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Best way to erase a portable hard drive?

190 Views 2 Replies Latest reply: Jan 27, 2013 12:18 PM by steve359 RSS
zipmac22 Calculating status...
Currently Being Moderated
Jan 27, 2013 12:15 PM

Hi, I just got done installing a new hard drive in to an iMac and used a portable hard drive when I use SuperDuper. Everything transfered without any problems. But now I want to erase the portable hard drive that contained all of the transfered data. What is the best way to erase that data so I can use the portable hard drive so I have a clean drive and can use it to back up with Time Machine?

  • Niel Level 10 Level 10 (234,640 points)
    Currently Being Moderated
    Jan 27, 2013 12:17 PM (in response to zipmac22)

    Use the Disk Utility in the /Applications/Utilities/ folder to repartition it as GUID(or APM if you're using a PowerPC Mac) in the Mac OS Extended (Journaled) volume format.

     

    (75379)

  • steve359 Level 6 Level 6 (12,035 points)
    Currently Being Moderated
    Jan 27, 2013 12:18 PM (in response to zipmac22)

    If it was set up for SuperDuper, it should be Apple-format.

     

    Go into DiskUtility, select the partition of the external in the left column, and you should have an "Erase" option at the top of the main-activity window.  You can decide if you need more than simple "Erase" (you can do a 7-pass erase, but nromally that is used when transferring a disk to a new user/buyer).

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