After you or your Mac administrator resets the password of your macOS user account, your Mac might ask you to update your keychain password or enter the password of your login keychain. It might also tell you that the system was unable to unlock your login keychain. That's because your login keychain is still using your old password.
Most of the Mac users don't know how to reset forgotten Mac OS password so when they don't remember the password, simply change the operating system. I think it's not a correct way because they might lose lots of personal files and folders that don't want to lose. You'll need to boot your Mac into Recovery Mode in order to access the password reset tool. I've found the easiest way to do that is to turn off your Mac. With your Mac turned off, press and hold.
Turn it on if you really want to automatically login to Mac without password. 2-1 Click the option and select a user from list. 2-2 Then type the user password in pop-up dialog. And click OK to make sure you will login Mac automatically with this user after Mac restarts. 2 How to Disable the Login Password on Mac when Waking Up. 2.1 Follow these steps to disable the password when waking up: 3 How to Disable the Login Password on Mac When Switching Users. 3.1 Follow these steps to create a blank password on your Mac; 3.2 Creating a new Mac user and want a blank password? 4 Always have an additional Mac Admin.
If you don't know your old password
If you don't know your old password, the solution is to create a new login keychain.
If you know your old password
How To Recover Forgotten Passwords
If you know your old password, use that password to update your existing login keychain:
Forgotten Password On Macbook Pro
- Open the Keychain Access app, which is in the the Utilities folder of your Applications folder.
- From the list of keychains on the left side of the window, select 'login.'
- From the Edit menu in the menu bar, choose 'Change Password for Keychain 'login.''
- Enter the old password of your user account in the Current Password field. This is the password you were using before the password was reset.
- Enter the new password of your user account in the New Password field. This is the password you're now using to log in to your Mac. Enter the same password in the Verify field.
- Click OK when done, then quit Keychain Access.
