Five methods to remove the boot password

Method 1

Press F8 to enter the "safe mode with command prompt" when starting the system.
Enter "Net user + User Name + 123456/Add" to forcibly set the password of a user to "123456 ″
Method 2

If you forget your logon password, follow these steps:
1. Press [F8] and select [safe mode with command prompt] when the computer starts 〕
2. After selecting [administrator], the [command prompt] window will pop up.
3. Use the [net] command to add a user. For example, add the user name alanhkg888. The command syntax is as follows:
Net user alanhkg888/Add 4. Upgrade the new user to the Administrator's power. For example, upgrade the new user alanhkg888. The command syntax is as follows:
Net localgroup administrators alanhkg888/Add 5. After completing the preceding steps, restart the computer. Then, a user alanhkg888 is added to the startup screen. Select alanhkg888 to enter
6. log on to [console] → [User Account] → select the user who forgot the password, then select [remove Password] And then [Wait 〕
7. Select the original user on the login screen and wait without a password (because the user has been removed)
8. Delete the newly added user. Go to [console] → [User Account] → select [alanhkg888], and then select [remove account ].
* It is not applicable to the password set for [administrator] When you forget the installation.
Method 3

1. restart Windows XP. When the startup screen appears, press F8 and select "safe mode with command line" to run.
2. When the running process is stopped, the system lists the options of Super User administrator and local user owner. Click administrator to enter the command line mode.
3. type the command "Net user owner 123456/Add" and change the password of the owner user to "123456 ″. To add a user here (for example, the user name is abcdef and the password is 123456), type "Net user abcdef 123456/Add ", after the addition, the "net localgroup administrators abcdef/Add" command can be used to promote the user to the System Management Group administrators, with super permissions.
4. Delete the Sam file in Windows/system32/config in DOS.
5. Press the delete key on the keyboard to go To the BIOS page. Find the user password option, which is disabled by default. Start and enter the user password (1 ~ (8 digits ). The computer prompts you to enter it again to confirm that the password is correct. After saving and exiting, restart the machine. Then the password menu will appear during startup.
Method 4

For FAT32, go to DoS and delete C: winntsystem32configsam. Log in as long as you enter the Administrator without entering the password. Then create a new one. NTFS is invalid.
In addition, if your system has not installed Microsoft's Input Method patch, you can also use the Input Method Vulnerability to create an administrator account,
The specific method is as follows:
After Win2000 is started, the user name is displayed in the logon window, And the password is required (you will not have a password at this time ).
In this case, place the input focus on the user name and use Ctrl + shift to switch the input method (select the previous one as long as the input method toolbar appears ). Right-click the toolbar of the Input Method prompt and select help. A Help window is displayed. Next, you need to find a (Green and underlined) hyperlink in this window, and press SHIFT + with the left mouse to open it. An IE window will pop up, enter C: in the address bar of the window. In this step, you should be clear about how to do it. Click "up" on the standard button and you will find that you can go to the "control panel". After entering, you can go straight to "user and password". Next, you only know what is happening.
Method 5

We know that during Windows XP installation, the default logon is "Administrator", and a new account is required to be created to log on to Windows XP, in addition, only the user account created in the logon interface of Windows XP does not display "Administrator", but the "Administrator" account still exists and the password is blank.