Disable user login MacBook Pro Yosemite 10.10.2
You can enable Automatic Login in System Preferences > Users &amp; Groups > Login Options > Automatic login.

If the Automatic login function is disabled then according to this The WP Guru post there are two things to check:


FileVault is not enabled. If it is, you cannot use Automatic login. Check in System Preferences > Security &amp; Privacy > FileVault
You are not using your iCloud password for your Mac account. If you are, change it to a separate password and you should be able to use Automatic login.