Reformat external hard drive for Time Machine

Discussion in 'Mac Basics and Help' started by PtGreyMan, Mar 29, 2009.

  1. PtGreyMan macrumors newbie

    Joined:
    Mar 29, 2009
    #1
    Hello,

    I have a Western Digital 500gig external hard drive (model wd5000c032) which I'd like to completely reformat to use with my macbook pro and Time Machine (running os 10).

    As it is now, my mac can only use 147 gigs, and often gives an error message saying it needs additional space to backup. It was previously used on a pc to hold pictures, but I doubt it used anything near 357 gigs for that.

    Is it possible to reformat the entire drive, or has a portion of it been un-reversably formatted for the pc?

    Thanks for your replies.
     
  2. r.j.s Moderator emeritus

    r.j.s

    Joined:
    Mar 7, 2007
    Location:
    Texas
    #2
    You can completely format it if you don't need the pictures from it. Use Erase in Disk Utility.
     
  3. PtGreyMan thread starter macrumors newbie

    Joined:
    Mar 29, 2009
    #3
    Thanks

    I just tried wiping it again using the disk utility, and it is now showing me 465 gigs which is just fine.
     

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