Mac os forget password what to do?

A few days ago friends with a new Mac OS air to help install Win7, the result of the Mac OS has a password. Previously broken Mac OS password, directly with Apple's system installation disk can reset the password. But this time did not have a plate, therefore, direct help Niang. With the following methods, Mac OS forgot password is also useful, Mtoou. The Info method Second Test is effective.

Method One: Official solution. Find the original computer system disk, can not find a loan or burn a sheet, restart the computer, when the start of the press C, select a good language into the installation, click on the "Common tools", which has a "Reset password", then you can reset the Mac OS system administrator password.

Method Two: Hacker solves a method. Power on and press "Cmd+s" at startup. Enter the single user model. The single user mode of MAC OS has access privileges (root access privilege) without requiring a root password (root password). A DOS-like prompt appears #root >. Under #root>, step into the following command, note the spaces, capitalization

Perform hard drive detection (read only), this step can omit

/sbin/fsck-y

Load file system (read/write)

/sbin/mount-uaw

Delete OS X generated hidden file ". Applesetupdone" When initialization settings

rm/var/db/. Applesetupdone

Reboot

Reboot

The welcome interface of a similar installation occurs after reboot. Don't worry, you haven't lost anything. Just like the first installation, re-establish a new Mac OS Administrator account. Then under the new administrator open the system prefab-account, open the bottom of the lock, ask the password, with a new administrator password login. will see at least two accounts, the new Administrator's account and the original account number, the original account in point, select the password-change password ... You don't have to have the original Mac OS password to set up a new password directly.

Click on the landing options below (small house), select automatically to the right of the identity landing, while in the Drop-down menu to select your original account.

Reboot, it's done. At this point to crack Mac OS power-on password work completed.

If you do not like an extra account, delete it. System prefabrication-Account, select the new Administrator account, and click the minus sign on the lock.