The System Rescue CD is Ubuntu based Linux DVD for system rescue purpose. Download the ISO image to disc from give link below and burn it on CD by using any CD/DVD burner.
Download Link: http://www.sysresccd.org/
Step1: Boot Live System Rescue CD
Now you have your bootable CD, you’ll have to boot your system from it and select the default boot option, which will take you to this very informative prompt, with some basic instructions on how to use the CD.
Step 2: Run fdisk -l command to see all disk partitions of your system.
Step 3: Now, you have to mount the drive where is your Windows installed. For doing this you have to run the following command:
ntfs-3g /dev/sda2 /mnt/windows –o force
You can use the df –m command after above command to verify that the the right drive has been mounted or not.
Note that it’s mounted on at this point /mnt/windows
Step4: After above step you have to change directory into the Windows/System32/config directory which is inside your windows installation drive. For our, the full path was something like this, but it might be different on yours:
cd /mnt/windows/Windows/System32/config
Once you are in that directory, you should see that there is a SAM file, which is where we’ll want to change the passwords.
Step5: To change the password we’ll use the chntpw command, and it’s most useful to use the –l argument first to list out all the usernames in the file.
chntpw –l SAM
Now you can add the –u argument with your username, as shown in the below command but replace your username with techhod whose password you want to reset:
chntpw –u techhod SAM
Step 6: The following screen will appear with lots of information and options to reset password. If you want to set a new password, so just type “2″ at the prompt, add in your password, and remember to use the “y” key when prompted to save.
Step 7: At this point your password has been changed, so you can issue the reboot command to restart the computer (should take the disc out of the drive).You can clear the password by selecting option1.
And now you should be able to login with the new password:
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