The Administrator system password can be preset on both Apple Computer and Vista. Each account has one password. This password can be used as a line of defense when the system is started and the system permissions are modified to prevent unauthorized hacker intrusion. But what if you forget the system password? Learn how to easily access your computer (or someone else's computer Hoho) when you think about your machine for a long time ).
Method 1:
Start the instance and press "cmd + S" at startup ". At this time, you will enter the single user model and a prompt like DOS # root> will appear. Enter at # root> (note the space, case sensitive)
Fsck-y
Mount-UAW/
Rm/var/DB/. applesetupdone
Reboot
Then, the Apple Computer will restart, and the welcome page will appear after the new installation. You need to create a new Administrator account, just like opening the Apple Computer for the first time. (Rest assured that your data is still on the hard disk, and there are a lot of data)
After the system is started, open the system pre-fabricated account under the new Administrator. Open the bottom lock. When the Password box is displayed, enter the new Administrator account password. At this time, you will see at least two accounts, including the new Administrator account and your original account. You can click the original account, select password-Change Password. Note that you can directly set a new password without having to have the original password. The next step is to click the login option below (Small House ). Select automatically log in as the right identity, and select your original account from the drop-down menu.
After restarting or canceling the logon, you can use the new password to log on to the original account. Of course, you can also delete the newly created account.
The method is:
Pre-made system-account-select a new Administrator Account, click the minus sign on the lock
Another method is to find the original system disk of the computer, restart the computer (press the C key when the computer starts), select the language, and then click "frequently used tools ", there will be a "Reset Password" in it, then you can reset the system administrator password.
Another article
Press and hold command + S to enter single-user mode (single-user mode). The single-user mode of Mac OSX has the root access privilege permission instead of the root password)
Command + s entering single user
/Sbin/fsck-y performs hard disk detection (read-only). This step can be omitted
/Sbin/Mount-UAW load the File System (read/write RM/var/DB/. applesetupdone
Delete the hidden file ". applesetupdone" generated by OSX during initialization settings"
After reboot is restarted, the welcome page appears to be displayed when the device is installed again.
Don't worry, nothing is lost.
Just like the first installation,
Create a new Administrator account.
Open the system pre-made under the new Administrator-open the bottom lock for the account,
When asking for the password, use the password of the new Administrator account.
You will see at least two accounts,
The new Administrator account and your original account,
Click the original account, select password-Change Password...
(Tips here) you can set a new password without having to have the original password.
Click the login option below (Small House)
Select automatic
Log On As the right user and select your original account from the drop-down list.
Restart.