Alternatively, you can use the Keychain Access software to change the password for any of your online accounts. If you're not aware, Keychain Access stores password information for all the sign-ins you've made from your Mac and not just Safari. If you know your password and can use it to log in to your account, you can change your password in Users & Groups preferences: Choose System Preferences from the Apple menu, then click Users & Groups. Select your user name from the list of users. Click the Change Password button, then follow the onscreen instructions. The option to recover Mac password using Apple ID becomes available when you enter a wrong password three times in a row. A question mark will appear in the password field along with a popup box saying, 'If you forgot your password, you can reset it using your Apple ID'. Choose to reset your password using your Apple ID.
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No matter which method you use to reset administrator password on mac, it won't automatically update the password protecting the account's login keychain. Since the keychain is still protected with the old administrator password, there would be no way to get back into it unless you could update keychain password or create new keychain.
Probably you are just prompted to do that at startup after Mac admin password reset, such as on Yosemite, or constantly asked to enter the keychain password after Mac login. Regardless of which happens, resetting keychain password would help you access Keychain again.
On the Tools tab, click Accounts. In the left pane, click the account in which you want to change the password. In the right pane, enter a new password in the Password box. Close the Accounts window.
Method 1: Reset Keychain login password in Keychain Access
After you log into Mac with new administrator password, follow the steps below.
1. Open Keychain Access from Finder> Applications Utilities, and choose Keychain AccessPreferences from top menu.
2. In newer versions of Mac OS X, such as on Yosemite, you will see a button Reset My Default Keychain under the General pane.
3. Click it and enter the new login password in Password field to create new keychain.
Note: If you have no such button, choose EditKeychain List (Command + Option + L), select the login keychain, and click the minus button to delete it.
4. Quit Keychain Access and restart Mac. A new login keychain will recollecting and storing the passwords for Wi-Fi networks, email accounts, Web sites, and other logins as they occur.
Method 2: Reset Keychain password with command line in single user mode
If you cannot work with Keychain Access because of something like Messages Agent constantly asking for the forgotten login keychain password, you can use command line to reset Keychain password in single user mode.
1. Restart Mac and hold on Command + S to enter single user mode.
2. After you are prompted to enter a command-line after numerous lines of status messages, type this command to mount the root Mac OS X drive as writable.
mount -uw /
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1. Restart Mac and hold on Command + S to enter single user mode.
2. After you are prompted to enter a command-line after numerous lines of status messages, type this command to mount the root Mac OS X drive as writable.
mount -uw /
Change My Mac Password
3. Delete that account's login keychain.
rm /Users/shortname/Library/Keychains/login.keychain How to make seagate compatible with mac.
Can you open snapchat on a mac. Note: If you are not sure the shortname, please confirm it with command 'ls /Users' at first.
4. Reboot Mac by command 'reboot'.
After Mac starts, you should have created a new keychain on Mac.
Update keychain password if you still remember the old one:
How Can I Change My Mac Password
1. Click Update Keychain Password and enter the old password at startup, or continue login and enter old password when you are asked.
2. Open Keychain Access and right click on login, and choose the option Change Password for Keychain 'Login' from pop-up menu. Download dmg file opener for mac.
How Do I Change My Apple Password
3. Enter the old password in 'Current Password' field and new password in 'New Password' box. Verify it and click OK to successfully change keychain password.
How Do I Change My Computer Password
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