What to Do if You Forgot your Password for a Macbook Pro Laptop
written by: Mike Piero•edited by: Michael Dougherty•updated: 8/27/2010
Did you forget your password on your Macbook, iMac, or Macbook Pro? You'll be happy to know that there are safety procedures available to recover and reset your passwords. This article will show you how to reset your password on any Mac running Mac OS X.
Log into the administrator account on the computer - If you don't know that password, then you'll need to skip down to the next section on resetting the computer administrator password, which is a bit more involved.
Open System Preferences (silver icon with gears) from the Apple Menu, dock, or the Applications folder.
Click the little lock button in the bottom-left hand corner.
Then select your user account with the forgotten password.
Click Change Password and enter your new password and a hint to help you remember in case you forget again.
That does it! You can then restart your computer (or just logoff and switch users) and login using your new password. Preferably, you should choose a password at least 7 characters long, including one number or symbol. It should be easy to remember so you don't have to write it down, and of course don't give it to anyone. These are all basic guidelines for any passwords you use.
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Resetting an Administrator Password
Resetting an administrator password, as you might imagine, involves more effort than changing a forgotten user password on a Macbook Pro. Here are the procedures to change your administrator password if you can't remember it:
Start the Macbook(Pro) with the original Mac OS X install disc. You can do this by inserting the disc, restarting the computer, and then holding the "C" key down while the Mac is starting up.
Under the Utilities Menu on the Installer page, choose "Reset Password"
Select your hard drive and then your administrator account (not "system administrator [root])
Enter the new password and hint, then click save, as pictured below.
Then quit the installer and restart the computer
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There are some other options to reset your passwords. There are programs available that offer password recovery protection. Sometimes these apps have to be installed on the computer before you lose your password and others just help you recover lost password. The problem is that there are some programs sold online that advertise themselves as "password" or "file" recovery software that are, in fact, filled with spyware and adware. So, you have to be careful. I would stick to the instructions that I've included above.
Another option is to take the computer to a computer repair shop, and they may be able to help you reset the password. Some computer repair stores, especially in big box chains like Best Buy and Staples, may be reluctant to do this for legal reasons, since some people who steal computers also look for similar services. Plus, they are going to charge you for the service.
While it's always a pain to forget a password, it's not the end of the world - you can get your files back. They're not lost forever.
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Apple Support - http://support.apple.com/kb/ht1274 (including second picture)
First picture from http://www.pidipompi.com/images/forgotpassword.jpg