How to Reset a Lost Admin Password on Mac OS X

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Reset your Mac OS X admin password following this simple and easy guide
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If you're logged into your Mac with your Apple ID account, you may be able to use it to reset your admin password. If you aren't you can use Recovery Mode on your Mac to open the Reset Password utility. You can also reset a password with another admin account on the computer. If you know your password, you can change it from the Users & Groups menu.

Method 1
Method 1 of 4:

Using Recovery Mode

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  1. If you can't change your password using your Apple ID, you can use Recovery Mode to reset it. Recovery Mode needs to be accessed as your computer is starting up.
  2. ⌘ Command + R as soon as you hear the chime. Continue holding the keys until you see the loading bar appear. This will boot your Mac into Recovery Mode. It may take a while to load. [1]
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  3. You'll see the Utilities menu in the bar at the top of the screen.
  4. resetpassword and press ⏎ Return . This will open the Reset Password utility.
  5. If you have multiple drives in your Mac, you'll need to select the one that your operating system is on. This will typically be labeled "Macintosh HD."
  6. Use the drop-down menu to select your user account.
  7. Enter your new admin password twice to create it.
  8. This hint can be displayed if you're having difficulty logging in.
  9. It will be applied when you reboot your computer.
  10. Opt to restart your Mac when prompted. This will reboot your computer and apply your new password.
  11. After rebooting, select your user account and log in with your new password. [2]
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Method 2
Method 2 of 4:

Using Your Apple ID

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  1. If you enabled this security feature when you first set up your account, you'll be able to use your Apple ID to reset your password. This only works if this feature is enabled to begin with.
    • If you have access to your Mac, you can turn this setting on by clicking the Apple menu and selecting "System Preferences." Click the "Users & Groups" option, then select your account. Click the padlock button to unlock the settings, then click "Allow user to reset password using Apple ID."
  2. This will appear after entering your password incorrectly three times. If this option does not appear, this function has not been enabled for your account and you'll need to use another method in this article.
  3. To reset your admin password, you'll need to enter your Apple ID password. This is the Apple ID that is associated with your Mac user account.
  4. After entering your Apple ID password, you'll be prompted to create a new admin password. You'll need to enter it twice to create it.
  5. You'll have to reboot your computer after creating a new admin password. Once your computer reboots, enter the new password you created to log in.
  6. When you log in after using your new password, you'll likely be prompted that your Keychain cannot be accessed. This is because the Keychain is only secured with your original admin password, and cannot be accessed with the new password for security reasons. You'll need to create a new Keychain for your passwords. [3]
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Method 3
Method 3 of 4:

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  1. You'll need to have a second account with administrator privileges enabled on your computer, and you'll also need to know its admin password.
    • If you're logged in on your account, log off and then select the other admin account.
  2. This will open the system settings.
  3. All of the users on your computer will be displayed.
  4. This will allow you to make changes to the Users & Groups settings. You'll be prompted for the admin password for the account you're using again.
  5. You'll find this listed in the menu on the left. You'll see your account settings appear.
  6. This will allow you to create a new password for the account.
  7. You'll need to enter the password twice to confirm it. Click "Change Password" to save it.
  8. You'll be able to log in using the password you just created.
  9. When you log in with your new password, you'll be prompted to update your Keychain password or create a new one. You won't be able to update the password since you don't know the old one. You'll need to create a new Keychain that you'll using moving forward. [4]
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Method 4
Method 4 of 4:

Changing Your Password if You Know It

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  1. This will open your system settings. This method will only work for changing a password when you know the original. If you can't remember your password, use one of the other methods in this article.
  2. This will allow you to change settings for the users on your computer.
  3. This will allow you to make changes to the settings.
  4. A new window will appear for you to change your password in.
  5. This is the password you are currently using.
  6. You'll need to enter it twice to verify it. Click "Change Password" to save it.
  7. You can add a hint for your password that can be displayed if you are having trouble logging in. This is recommended so that you don't have to go through the trouble of resetting your password if you ever forget it.
  8. Your password will be applied immediately, and you'll use it whenever you're prompted for your password.
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Expert Q&A

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  • Question
    How do I reset my administrator password if I forgot it?
    Luigi Oppido
    Computer & Tech Specialist
    Luigi Oppido is the Owner and Operator of Pleasure Point Computers in Santa Cruz, California. Luigi has over 25 years of experience in general computer repair, data recovery, virus removal, and upgrades. He is also the host of the Computer Man Show! broadcasted on KSQD covering central California for over two years.
    Luigi Oppido
    Computer & Tech Specialist
    Expert Answer
    If you have a Mac and you need to reset the local password, restart the computer, then hit command+R, which is going to go into internet recovery. Launch the terminal, which will bring up a command prompt, then type "resetpassword" as one word. Then, type your new password into the Reset Password dialogue box that pops up.
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    Not Helpful 8 Helpful 4
  • Question
    My computer prompt is 'bash-3.2# '. When I type in the launchctl and systems/Library etc. command, it says either "not recognized" or "access denied". Do you know why ?
    Community Answer
    Did you forget the "load" command? Be sure to type it all in correctly as shown above!
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  • Question
    Will these steps work on a Macbook Air?
    Liza Gaylord
    Community Answer
    Yes, Macbook Airs have the same operating system (OSX) as other Macbooks. This should work for all Apple computers.
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      Tips

      • Writing your password down somewhere discreet (e.g., the inside cover of a favorite book) will prevent accidental lock-outs.
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      • If you have FileVault enabled, you won't be able to unlock the "reset password" utility without the verification code and password issued to you when you initially set up FileVault. Absent this information, your files will be unrecoverable.
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      References

      1. ↑ https://www.ihash.eu/2015/10/how-to-reset-forgotten-admin-password-os-x-10-11-el-capitan/
      2. ↑ https://www.macobserver.com/tmo/article/os-x-yosemite-how-to-reset-your-administrator-password
      3. ↑ https://support.apple.com/en-us/HT202860
      4. ↑ http://www.macworld.co.uk/how-to/mac/what-do-if-youve-forgotten-your-mac-password-3594395/

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