You are using a Mac or a MacBook and have forgotten the password for the Administrator? This is annoying, but usually not a reason to panic. You can help yourself with a little effort by yourself. How to do that, you can find here.
Administrator password on the Apple ID reset
You have forgotten your password, you can reset it via your Apple ID.
After you have entered your password when logging in three Times incorrectly, you will receive the note that you can reset your password with the Apple ID. To do this, click on the grey arrow.
Now enter your Apple ID and password. Confirm the input with "password reset".
Confirm the message of the "key Federal" with "OK".
Now enter your new password and confirm the entry. Alternatively, you can also enter a "password hint" for your password. After you have made all entries, click on "reset password".
You are now logged in to your Mac or Macbook with the new password.
Alternative solution paths, if you have forgotten your Admin password
MacOS X offers even more ways to reset your password.
You use more than one administrator account on your device, you can reset with the help of the second account password, via the user administration. On the private devices, it is rare that multiple users have an administrator account. Therefore, this Option is more common for commercial account useful.
You have as the operating system "Snow Leopard" or older, you must start the operating system DVD or from a USB Stick, if you have no optical drive. Then you can put in the recovery options the password again. Details of can you find in Apple: OS X: how to change user password or reset it
You have encrypted your Home drive with FileVault?
In this case, you should take care of your password-even better than usual: The on the disk encrypted data can be lost forever if you remember to the password. More on this, see Apple: Mac OS X 10.6: you have the password for your FileVault-protected Account forget
Exclusive CHIP-Special: Secure passwords
We will show you how a secure password should look like and how they memorize it easily. In our CHIP-Guide you will get to 20 pages, lots of tips and Tricks for more security.
With these tips, you will never forget access data! Plus: New techniques to make the password obsolete.
In the CHIP Kiosk you will find the CHIP Guide as a PDF for Download
In another practical tip read, as the warranty status of your Apple device check can.