Automatic login doesn't work after a password reset (Mac OS X)

Resolution

Enter your new password when the Login window appears, then follow these steps:

Mac OS X 10.3 and 10.4 Tiger

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose Accounts.
3. Click Login Options. If it is dimmed ("grayed out"), you probably need to authenticate—click the lock icon at the bottom of the window.
4. Deselect the "Automatically log in as" option.
5. Close the System Preferences window.
6. Open System Preferences again, and go back to Accounts preferences.
7. Click Login Options again.
8. Enable the "Automatically log in as" option.
9. Select the account to automatically log in as.
10. Enter your password, then click OK.

Mac OS X 10.2

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose Accounts.
3. Deselect the "Login automatically as" option.
4. From the System Preferences menu, choose Quit.
5. Open System Preferences again, and go back to the Accounts pane.
6. Select the account to automatically log in as.
7. Click Set Auto Login.
8. Enter your password, then click OK.

Mac OS X 10.1

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose Login.
3. Click the Login Window tab.
4. If necessary, click the lock button to make changes.
5. Deselect the "Automatically log in" option.
6. From the System Preferences menu, choose Quit.
7. Open System Preferences again, and go to the Login preference pane.
8. Click the Login Window tab.
9. Select the "Automatically log in" option
10. Enter the account name and password, then click Save.

Mac OS X 10.0

1. From the Apple menu, choose System Preferences.
2. From the Pane menu, choose Login.
3. Click the Login Window tab.
4. If necessary, click the lock button to make changes.
5. Deselect the "Automatically log in" option.
6. From the System Preferences > Quit.
7. Open System Preferences again, and go back to the Login preference pane.
8. Click the Login Window tab.
9. Select the "Automatically log in" option.
10. Enter the account name and password, then click Set.