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Take Control of Upgrading to Mavericks by Joe Kissell

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Make Sure Your Disk Is Ready

Two features in Mavericks—FileVault 2 and OS X Recovery—have special requirements when it comes to the state of your disk at the time you upgrade. In certain situations, especially if you’re upgrading from Snow Leopard or earlier, you may need to make changes to your disk before you can upgrade.

As I explain in a moment, you can postpone changes like disabling encryption until just before you’re ready to run the Mavericks installer; I mention this in case you’re reading ahead but planning to upgrade later. But bear in mind that making these changes to your disk may be time-consuming, so take that into account when scheduling time to install Mavericks.

Consider Disabling Encryption

If you’re upgrading from Snow Leopard ...

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