September 18, 2013

Chntpw Reset Windows Lost or Forgotten Amin Password

Have you heard too much about ways to reset Windows forgotten password? Now let me tell you a free tool for Windows password recovery - Chntpw.
Like other tools, Chntpw has two existence forms, USB and CD.
  • Reset Windows Lost Password with USB Disk
  • Recover Windows Forgotten Password with CD Disk


1. Reset Windows Lost Password with USB Disk

Follows the below steps:
Step 1: Grab Universal USB Installer and download Ubuntu 10.10.

Step 2: Create a Bootable Ubuntu Live USB
2-1: Run the Universal USB Installer and select Ubuntu 10.10
2-2: Click Browse to select the Ubuntu ISO file.
2-3: Select the USB drive and set the persistent file size.
Once all settings are in place, click Create to begin creating a bootable Ubuntu Live USB.

Step 3: Boot Computer from Ubuntu Live USB
3-1: Press ESC, F2, F10, F9 etc. to reboot PC and enter computer BIOS.
3-2: Set USB/Removable Hard disk as first boot option in the BIOS settings.
3-3: Save the changes and reboot the system from Ubuntu Live USB.

Step 4: Install Chntpw
4-1: Press Ctrl + Alt + T to open a Terminal window.
4-2: Type sudo apt-get install chntpw and click Enter.
The process of download and installation would go on without further assistance. Once it’s finished and your back at the regular prompt, simply type exit and hit Enter.

Step 5: Reset Windows Password
5-1: Mount the hard disk partition where Windows is installed in according to access all the removable drives and hard disk partitions from Places menu.
5-2: Mount the drive with Windows folder.
Open all partitions to find the drive with Windows folder. When you find it, make a note of the drive’s label that appears in the menu bar of the file browser.
5-3: Open Applications menu from panel, and select Terminal from Accessories menu.
In Terminal window, enter cd /media command, and then list all mounted media drives with ls command.
5-4: Navigate to drive that contains Windows folder.
cd <hard drive label>
cd Windows/System32/config
Open config folder and then you can make changes to Security Accounts Manager (SAM).
5-5: Read Windows user account credentials and make changes to save passwords with running chntpw tool.
sudo chntpw SAM
The sudo chntpw SAM command can only make changes to Windows admin account password. If you want to change standard user’s password, use the switch –u followed by correct user account name.
sudo chntpw –u <user account name> SAM

If you’ve changed the user account password, reboot your system, and exit Ubuntu Live USB. If you’ve just reset the admin password, Windows will not prompt you to enter the password. However, if you changed the password, please log in to Windows with new password.

2. Recover Windows Forgotten Password with CD Disk

Step 1: Download Chntpw to a computer you can access.

Step 2: Create a CD Windows password reset disk.
Unzip and get a Chntpw ISO file and burn the Chntpw ISO file to CD disc with a burn tool.

Step 3: Set your locked computer boot from CD-ROM.
When power on the computer, press BIOS entry key to enter BIOS setting screen, and move CD-ROM to the first boot drive place. Save boot changes and boot your computer.

Step 4: Reset Windows password to blank
4-1 Select the partition where Windows was installed on:
select 1 = show propbable Windows (NTFS) partitions only
4-2 Select path and registry files
The default path Windows/system32/config is correct, so just press Enter to go on.
4-3 Select which part of registry to load, use predefined choices.
We want to reset password, so choose the first one: Password reset [sam system security]
4-4 What to do with the user and password
Select 1 – Edit user data and passwords
4-5 Select a user to reset its password.
As you can see, there list all the user names and their password status. If you want to change Administrator password, type Administrator and press Enter.
4-6 Clear (blank) user password.
Of all the options of menu, the first one Clear (blank) user password is the most simple and effective option. Select 1 to clear Administrator password to blank instantly.
4-7 Password is cleared successfully.
When the Password cleared pops up, it means password has been cleared successfully.
Quit out and press Ctrl + Alt + Del to restart computer, logging in to Windows without password.

All above introduction is about Windows password reset with free Chntpw. But maybe you will find it a little difficult.

More about this topic, you can refer to these articles:

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