File Vault Problems

Discussion in 'Mac Apps and Mac App Store' started by Battlefield Fan, Nov 4, 2010.

  1. Battlefield Fan macrumors 65816

    Battlefield Fan

    Mar 9, 2008

    When I go to turn file vault protection on it tell me, "There isn’t enough space on your hard disk to turn on FileVault." "Turning on FileVault requires an additional 7.8 GB of free disk space on the volume "Macintosh HD". Try emptying the Trash or deleting files you don’t need."

    I have 67 GB of free space left so I don't understand what the hold up is? My used space on the SSD is 107 GB.

  2. angelwatt Moderator emeritus


    Aug 16, 2005
    You need as much free space as your home directory takes up to turn FileVault on/off. It needs it because it has to create the encrypted space before it copies over the data.

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