How to reset a forgotten local admin password in Windows
Problem:
Unable to access a local admin account in a Windows.
Resolution:
Reset the user password via cmd.exe – Using a Windows media boot CD
Gaining access to cmd.exe:
1) Boot from the Windows media DVD
2) Select Repair Your Computer (options are slightly different in each version of windows) to get access to command prompt
3) Run the following commands to replace utilman.exe with cmd.exe
>>>>WINDOWS VISTA/7/8/10
copy c:\windows\system32\utilman.exe c:\windows\system32\utilman-old.exe
(This will make a backup of utilman.exe)
copy c:\windows\system32\cmd.exe c:\windows\system32\utilman.exe
(This will replace utilman.exe with cmd.exe)
>>>>WINDOWS XP
copy c:\windows\system32\sethc.exe c:\windows\system32\sethc-old.exe
(This will make a backup of sethc.exe)
copy c:\windows\system32\cmd.exe c:\windows\system32\sethc.exe
(This will replace the sticky keys exe with cmd.exe)
4) Reboot the computer
Resetting the user password:
1) When reaching the login screen, press the shift key 5 times (windows XP) or click the Ease of access button in the bottom left (Windows Vista/7). This will then open cmd.exe
2) Type the following command to reset the users password
net user username newpassword
Replace the ‘username’ with the administrators username and ‘newpassword’ with your desired password.
3) Close CMD and login with your new password.
Done
Once you are able to login, remember to reboot the PC and re-instate the original files:
>>>>WINDOWS VISTA/7/8/10
copy c:\windows\system32\utilman-old.exe c:\windows\system32\utilman.exe
(This will make copy the original exe to the right location)
>>>>WINDOWS XP
copy c:\windows\system32\sethc-old.exe c:\windows\system32\sethc.exe
(This will make copy the original exe to the right location)