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Reset Local Administrator Password
Posted by , Last modified by Mandeep Singh on 09 October 2013 10:06 PM

If you forgot the administrator password you can easily reset the password on Windows 7, Windows Vista and Windows XP with the Sticky Keys tricks. It works always.

  1. Boot from Windows PE or Windows RE and access the command prompt.
  2. Find the drive letter of the partition where Windows is installed. In Vista and Windows XP, it is usually C:, in Windows 7, it is D: in most cases because the first partition contains Startup Repair. To find the drive letter, type C: (or D:, respectively) and search for the Windows folder. Note that Windows PE (RE) usually resides on X:.
  3. Type the following command (replace “c:” with the correct drive letter if Windows is not located on C:):
    copy c:\windows\system32\sethc.exe c:\
    This creates a copy of sethc.exe to restore later.
  4. Type this command to replace sethc.exe with cmd.exe:
    copy /y c:\windows\system32\cmd.exe c:\windows\system32\sethc.exe
    Reboot your computer and start the Windows installation where you forgot the administrator password.
  5. After you see the logon screen, press the SHIFT key five times.
  6. You should see a command prompt where you can enter the following command to reset the Windows password (see screenshot above):
    net user your_user_name new_password
    If you don’t know your user name, just type net user to list the available user names.
  7. You can now log on with the new password.
  8. Replace the sethc.exe with the copy you stored in the folder you selected above (steps 3).

For this, you have to boot up again with Windows PE or RE because you can’t replace system files while the Windows installation is online. Then you have to enter this command:

copy /y c:\sethc.exe c:\windows\system32\sethc.exe

 

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