This article describes the procedure to reset a windows local admin user password when we don’t know any admin password.
Step 1: Boot the system with a Windows installation media
Step 2: Once booted from Windows installation media, press the Shift + F10 key on the first setup screen to open the command prompt window (CMD).
Step 3: Enter the following command in the CMD window:
Note: assuming C: as the Windows installation volume.
C: cd \Windows\System32 ren utilman.exe utilman1.exe ren cmd.exe utilman.exe
Step 4: Remove Windows installation media and restart the computer.
Step 5: Click on the Accessibility icon on the login screen to open the command prompt (CMD) window.
Step 6: Enter the following command in the CMD window:
net user (it will show all local users) net user User-we-want-to-change-password *
Step 7: Enter the new user password and press the Enter key.
Step 8: Log in to the desired user with the new password.
Step 9: Execute the below command to roll back changes made otherwise you won’t be able to use CMD nor Accessibility with the original names.
C: cd \Windows\System32 ren utilman.exe cmd.exe ren utilman1.exe utilman.exe