Hi!
my dear friend fristally put the cd in your machine after use the following step than you can unlock your system .
1. Insert the installation disk to your locked computer, restart. When following interface appears. CllickRepair your computer.
2. A dialog with several options pops up, click Command Prompt.
3. When a Command Prompt black screen appears, type "copy c:\windows\system32\sethc.exe" and press Enter. Then type "copy c:\windows\system32\cmd.exe c:\windows\system32\sethc.exe" afterwards press Enter key.
4. Restart your computer. On the login screen, tap Shift key five times and you'll see a command prompt screen in administrator mode. OK, type "net user UserName NewPassword" (replace the UserName and UserPassword with which you wanna) and press Enter key. The user password will be replaced with new one. Close the window and then you can login your laptop Windows 7 with new password.
Tip two: Reset Windows 7 password with CMD
1. Logon you laptop with another user account which has admin privileges.
2. Click Start, type in "CMD.EXE" in the search box, press Enter.
3. Cammand screen apears, type in "net user" "user name" " new password", press Enter.
The user account password will be replace as the new one.
Tip three: Recover Windows 7 password with a Windows password recovery tool.
This method requires you to load a Windows 7 password recovery program.
1. Install the program on another computer and create a password recovery disk with USB
2. Insert the disk to your laptop and set your laptop to boot from it.
3. All user accounts will be loaded, then you can reset any user password.
If you want to read more details: How to Recover Windows 7 Password without losing data.
Last edited by a moderator: Dec 3, 2012