You might also see the message “A user with an encrypted home folder can't log in automatically.” When changing the account password, you can choose not to use the iCloud password. If an account uses an iCloud password to log in, manual login is required for that account. If FileVault is turned on, manual login is required for all accounts. Important Note: If the username is grayed out, you are unable to enable automatic login as your Mac requires manual login. While insecure versions of Firefox will continue to work on OS X 10.8 and earlier, using an up-to-date version of Firefox on a. Note: If you have Mac OS X 10.7 (Lion) or 10.6 (Snow Leopard), you will need to download OS X El Capitan before you can upgrade to the latest Mac OS.
In earlier versions of OS X, this category is called Accounts. Visit this Apple Support page to learn more about upgrading your Mac. Click the Apple logo in the upper left corner of your screen.This document describes how to enable or disable automatic login for Mac OS X.