Aporte original por: Conad Jim ,
Hello, Firstly, you can try to boot Windows 7 in Safe Mode. When the login screen appears, if there is an administrator account is displayed beside your admin account, click it to sign in without password. So you can reset any other user account password in control panel after logging. Steps can be found here: [https://www.wimware.com/how-to/reset-acer-windows-7-password.html|Reset Acer Latop Password Windows 7 in Safe Mode]. If you cannot log on Windows 7 via Safe Mode, you can use a Windows 7 install disk to copy cmd.exe and rename it to sethc.exe, then open it from Windows 7 login screen. So you can [https://www.wimware.com/how-to/reset-windows-7-password-cmd.html|reset Windows 7 password by using command line].