Cant Unmount New external HaRD DRIVE

Discussion in 'iMac' started by gone.fishing1, Jan 27, 2009.

  1. gone.fishing1 macrumors newbie

    Joined:
    Jan 27, 2009
    #1
    Unable to Use TIme Machine to backup a new Western Dig external 1 TB drive. It is connected through an adaptor to my Firewire 800 using a Firewire 400 with adaptor. I cant dismount the drive to reformat it to MAC using disk format utility. Any suggestions.
     
  2. DoFoT9 macrumors P6

    DoFoT9

    Joined:
    Jun 11, 2007
    Location:
    Singapore
    #2
    does it say "the drive cannot be ejected because its in-use"????
     
  3. gone.fishing1 thread starter macrumors newbie

    Joined:
    Jan 27, 2009
    #3
    No, it does not appear as "in use". The utility will not allow me to erase or reformat drive
     
  4. DoFoT9 macrumors P6

    DoFoT9

    Joined:
    Jun 11, 2007
    Location:
    Singapore
    #4
    oh i see. in the partition tab, hit "Options" and make the hard drive a "GUID" partition table... :) see how that goes..
     

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