If you forgot the administrator password and have no other account to log into Windows 7, you can reset the password by following these steps:1. Boot from a Windows 7 installation disc or system repair disc.2. At the "Welcome to Setup" screen, press the "Shift+F10" key combination to open a command prompt.3. Type the following commands, pressing Enter after each one:bootrec /fixmbrbootrec /fixbootbootrec /scanosbootrec /rebuildbcd4. Type exit and press Enter to close the command prompt and restart your computer.If you don't have a Windows 7 installation disc or system repair disc, you can create a Windows 7 password reset disk with a USB flash drive.1. Connect a USB flash drive to your computer and open the User Accounts control panel.2. Under the "Make changes to your user account" section, click the "Create a password reset disk" link.3. Follow the wizard to create the password reset disk.4. Once the password reset disk is created, insert it into the locked computer and follow the wizard to reset the password.If you don't have a password reset disk or installation disc, you can use the Kon-Boot tool to login to Windows without a password. Kon-Boot is a program that modifies the Windows kernel so that you can login without a password.1. Download the Kon-Boot program and unzip it to a USB flash drive.2. Insert the USB flash drive into the locked computer and boot from it.3. Kon-Boot will bypass the password and login to Windows.4. Once logged in, you can change the password for the account.5. Reboot the computer and remove the USB flash drive.If you need to reset the administrator password but don't have a password reset disk or installation disc, you can use the Kon-Boot program to login to Windows without a password. Kon-Boot is a program that modifies the Windows kernel so that you can login without a password.1. Download the Kon-Boot program and unzip it to a USB flash drive.2. Insert the USB flash drive into the locked computer and boot from it.3. Kon-Boot will bypass the password and login to Windows.4. Once logged in, you can change the password for the account.5. Reboot the computer and remove the USB flash drive.