Reset Windows Admin Password

Reset Windows Admin Password without knowing the older Password 

      Here is a simple tutorial on resetting the admin account password of and Windows Operating system.  All you will require for this is one Ubuntu live CD. 

       You want to Download Ubuntu Live Cd go to: http://goo.gl/wzUJ 

       Follow the instruction and Burn it to the CD After Burning CD..Follow the steps Below..

1. Insert Ubuntu Live CD and boot from it.
2. Open terminal and install chntpw in Ubuntu. To do so use the following commands.sudo apt-get update
   sudo apt-get install chntpw
3. Now mount your Windows volume. In my case it was dev/sda1. Replace it with yours.sudo mkdir /media/WINDOWS
   sudo mount /dev/sda1 /media/WINDOWS
4. Now navigate to the Windows configuration folder.cd /media/WINDOWS/WINDOWS/system32/config/
5. To reset the administrator password entersudo chntpw SAM
6. After completing this command you will see 5 different choices. Select the 1st one and press Enter and done.
   
   

Source:Tips from Geek