What should I do if I forgot my password if I forgot my password when I forgot my computer and could

You can use third-party tool software, take PE Toolbox as an example, and the operation steps are as follows:

2. After restarting, you will enter the selection interface of the general PE toolbox, and select the eighth "Run Windows login password cracking menu";

3. Then select "01 Clear Windows Login Password (Change Password)";

4. Enter "1" and press Enter;

5. Enter "0" and press enter (usually the first one is the C disk, and the following ones are arranged in turn);

7. Enter the numeric serial number of the password to be modified, for example, 0 is administrator;

8. After entering y to save, press esc to exit and pull out the USB flash drive and restart it.

There are two main situations when the computer boot password is forgotten;

One is that the computer is already in the boot state, but the boot password is forgotten, and the other is that the computer is not turned on, and its boot password is forgotten.

The computer has processed the boot state, but the boot password has been forgotten. You only need to reset the computer's boot password or cancel the password without setting the password.

The computer is not turned on, and its boot password has been forgotten. The most commonly used and most effective methods are:

Crack the boot password method in all modes. That is, when the computer is turned on, press and hold the "F8" key continuously, the computer boot interface enters the advanced options screen, and then release the "F8" key, select "Safe Mode with Command Prompt" and press Enter, and then you can descend the computer system in safe mode. Set the administrator password to 123456.

Then, restart your computer and turn it on with the administrator password.

Take Lenovo G40-70, Win10 system as an example, the solution to the computer forgetting the password can not turn on the machine is as follows:

1. Restart the computer first, and when you enter the login page after restarting, press and hold the "Ctrl" and "Alt" keys at the same time;

2. Press the "del" key twice in a row, a new login interface will appear, enter "administrator" in the user name, do not fill in the password, press the "enter" key directly to enter the computer.

After entering the computer, you need to open the "Control Panel", click "User Account", then select "Change Account", then click on the original account name, then click "Change My Password", enter the new password according to the prompts, and finally click "Change Password".

It should be noted that if the administrator forgets the boot password of the computer, you need to delete the sam file under the system installation directory system32config, and then restart the computer, you can directly enter the computer, and then reset the password after entering.

This answer applies to most models of computers from the Lenovo brand.

Here's how to fix it:

1. First of all, turn on the computer, click the [computer] icon in the lower right corner of the interface of entering the password;

2. After popping up the power option, hold down the [Shift] key and click the [Restart] option at the same time to let the computer enter the Windows boot settings menu;

3. On the Windows Settings menu page that appears, select the [Troubleshooting] setting in the middle, and choose to solve the problem of forgetting the boot password by resetting the computer or viewing advanced options;

4. Click [Reset this computer] in the troubleshooting options, keep personal files or delete personal files, and reinstall the Windows system;

5. After waiting for the system to be reinstalled, you can unlock the password and enter the Windows desktop.