Mac Basics: FileVault 2 Lion use to encrypt the internal drive of your Mac











Apple more recent operating system Mac OS X 10.7 Lion includes FileVault 2, the latest version of the Apple file protection method. FileVault 2 is designed to encrypt your hard disk. As long as your files are saved on disk internal, they will be safe.

In this how-to, we will go through the steps on FileVault 2 of activation for your Mac internal boot drive.Before you start the encryption process, internal boot drive your Mac must have partition recovery HD of the Lion, which appears if you formatted your disk by using the partition scheme GUID, and a single partition or multiple partitions created with Assistant Boot Camp. If you have partitioned your disk in a different way, you need to back up your data, clear repartition your disk and then reinstall Lion, restore your files, applications, and data subsequently.To verify that the Recovery HD partition on your boot of the Lion drive, restart your Mac and hold down Option key. This will launch Manager startup (photo, above), where the HD recovery will appear if it is installed. You can also start the Terminal, type diskutil list and press return. A list (photo, bottom) of your hard disks and partitions will appear.

Learn more about the recovery of Lion and HD of recovery.To access FileVault 2, go to your system preferences, and then double-click on the component security & privacy. Then click FileVault tab. To start the process, you will need to click on the padlock in the lower left corner, and then enter an administrator password.

Click the button turn on FileVault, and you'll be asked to allow each user account by entering the password of each user. A user that is not enabled can only connect if an enabled user started, or the drive itself is unlocked (unlocked drive is accessible to all users, until the Mac is in sleep mode or is closed). Enter the password and then click on continue.After you enable users, you will receive a recovery key, you need to register and keep in a safe place. It is the only way to decrypt your drive if you forget your password. Click on continue.You have the option to have the Apple store the recovery key. To retrieve it, you must provide the answers to three preset exactly questions as you typed them at this time. Do not make your so convoluted replies that there could be several variants of the answer. Keep it simple.You can also choose to not have Apple store the recovery key.

When you have finished, click on continue.

The next step is to start the encryption process, which will require a reboot. This may take several hours. Fortunately, the encryption process occurs in the background, so you can always continue to work. That said, it is preferable to avoid any processor or disk intensive while the Lion is encrypting your drive, since the performance of your system and applications will suffer.Once the initial encryption process completed, you are all together. Lion will automatically decrypt all files that you need to use to encrypt new files that you create. Apple said that the performance impact should be "imperceptible."An important note: when you use 2 FileVault, recovery HD will not appear in the Boot Manager. You can always initiate the Recovery HD partition by pressing command-R, while your Mac starts.


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