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Lenovo B460 computer, what if the user's account password is forgotten?

If you forget the password of your ordinary account, please use the first method. \x0d\ Method (1) \x0d\ Restart the computer. When starting the system login interface, hold down the Ctrl+Alt key at the same time, and then double-click the Del key, and a new login interface will appear. \x0d\ Enter the "Administrator" password in the user name, and then log in. After logging in, open the control panel and select/User Account/Change Account/\. \x0d\\x0d\ If you forget the password of the computer administrator, please use the second method or the third and fourth methods. \ x0d \ x0d \ Method (2) \x0d\\x0d\1. Restart the computer, hold down the F8 key until the advanced options screen appears, then release your hand, select "Command Prompt in Safe Mode \x0d" and press enter. \x0d\2。 At the end of the running process, the system lists the selection menus of system super user "Administrator" and local user "* * * * *". Click \ x0d Administrator to enter command line mode. \x0d\3。 Type the command: "net user * * * 123456/add", and change the password of "* * * *" user to "123456". \x0d\/Add \ If you want to add a new user here (for example, the user name is abcdef and the password is 123456), please enter "net user abcdef123456 \ x0d \/add". After adding, you can use the command "Network Local Group Administrator abcdef/Add" to promote users to system management. \x0d\4。 Restart the computer, select the normal mode to run, and you can log in the "* * * *" user with the revised password "123456". \x0d\\x0d\ Method (3) \x0d\ The method of repairing the system by installing a CD with Windows xp system, and cracking the password of the super computer administrator \x0d\ Step 1: Set the system to CD startup and put it into the system installation CD. When the first selection interface appears, press Enter, and when the second selection interface appears, press \ x0d \ to start repair and installation. Setup then checks the disk and starts copying files. After the file is copied, the system will automatically restart. \x0d\ Step 2: After restarting, the system will enter the graphical installation interface. Note: At this time, you should pay close attention to the lower left corner of the interface, and press the key combination "Shift+F 10" as soon as the "Install Equipment" progress bar appears. Then something unexpected will happen, \x0d\ a command prompt window will appear in front of us. This is the key to crack the password. \x0d\ Step 3: Type "Lusrmgr.msc" in the command prompt window and press enter (excluding the double quotation marks) to open the local user and group management tool. \x0d\ Click "User" on the left, then right-click the administrator account on the right and select "Set Password". At this point, a warning window will pop up. \x0d\ means that after changing the password, some information in the system will be inaccessible. This mainly refers to the files encrypted by EFS. The \x0d\ certificate has not been exported before, so these files will not be accessible after changing the password. If there is no such file, I will ignore it, just click "Continue", \x0d\ then enter a new password and click OK. Then close the local users and groups and the command prompt window to continue the repair installation. \x0d\ After the installation is completed, the system administrator account will be "activated" again. \ x0d \ \ x0d \ method (4) \ x0d \ winxp/2000 countermeasure: delete the SAM file in the system installation directory \\system32 \\config and restart. At this time, the account of the administrator \x0d\ has no password. Log in to the system with the administrator account, and reset after entering the system without entering any password. \x0d\\x0d\ If you forget the CMOS password: \x0d\ Pull out the motherboard battery and wait 10 minutes for reverse installation. \x0d\\x0d\ Cancel CMOS password without discharging: \x0d\ 1. Run and enter CMD to open a command prompt, and then enter debug. \x0d\2。 Enter "O 70 10" and press enter (note: the English O is entered, not the number 0, and there is a space between 70 and 10). \x0d\3。 Enter "O 7 1 10" and press enter (note: the English O is entered, not the number 0, there is a space between O and 7 1, and there is a space between 7 1 and 10). \x0d\4。 Enter "q" and press Enter. \x0d\5。 Restart the computer, and the CMOS password has been cleared (the double quotation marks above have not been entered). \x0d\ In fact, there is a tool in the DOS toolbox to delete the password file under drive C, but I wonder if there is a DOS toolbox on it. It can be completely solved by referring to the above methods. Good luck!