Jul 20, 2011

WARNING: Disable FileVault before preparing your Mac for Oct 31, 2018 OS X FileVault questions answered - CNET Mar 15, 2012 Everything You Need To Know About FileVault: Encryption If your Mac is older and still use a hard disk, FileVault may impose a reasonable impact performance. You have to just make sure that your Mac is able to detect before turning on. Before using FileVault. Whether FileVault is active when you first set up your Mac, you can activate at any time.

macOS - Security - Apple

Dec 31, 2018

If your Mac is older and still use a hard disk, FileVault may impose a reasonable impact performance. You have to just make sure that your Mac is able to detect before turning on. Before using FileVault. Whether FileVault is active when you first set up your Mac, you can activate at any time.

WARNING: Disable FileVault before preparing your Mac for Oct 31, 2018 OS X FileVault questions answered - CNET Mar 15, 2012 Everything You Need To Know About FileVault: Encryption