My computer boot login password has been changed, how to cross

Is it the BIOS password, or the operating system password? If it's an operating system password, there's no good way, and if it's a BIOS password, you can use a certain method to clear it.

Put the main battery down, wait 5 minutes and then put it up, if it still doesn't work, you can ask someone to repair it.

1. Connect an external optical drive or self-booting U disk, use a disk with DOS tool to start it, and delete the password file SAM.

2. If it is SATA's hard disk, remove the hard disk, and delete the password file SAM on any machine.

The easiest way is to buy a "Rainforest Wood Wind" ghostxp system CD,It comes with a cracked login password,There is no need to set the login password,What password to use that cracked side dish,I usually forget the password and break it directly。

Solution: Restart the system from the disc, select "Rainforest Wood Wind Toolbox", there are many tools in it, find it yourself, and follow the prompts after finding it.

Remember to give it to me!

It takes time to type, please give me two minutes.

Method 1: When the computer is turned on, enter the "Safe with Command Prompt" mode.

Enter net user + username + 123456 add

You can forcibly set a user's password to "123456

Method 2: If the user forgets the login password, the following methods can be solved.

1.Press F8 and select Safe Mode with Command Prompt when the computer starts

2.When you select administrator, you will be prompted with a command prompt window.

3.Use the .net command to add a user, for example: add a user name seek, the command syntax is as follows:

net user seek/add

4. Promote the new user to the administrator, for example, increase the power of the user seek, the command syntax is as follows.

net localgroup administrators seek/add

5. After completing the above steps, restart the computer, and add a user seek on the boot screen, select seek to enter.

6.After logging in, select the user who forgot the password in the User Account section of the console, and then select Remove password and wait out

7.Select the original user on the login screen to log in without a password (since it has been removed).

8.To delete the user you just added, select Seek in the User Account section of the console, and then select Remove Account.

Method 31: Restart Windows XP, press F8 at the moment after the boot screen appears, and select "Safe Mode with Command Line" to run.

2. When the running process is stopped, the system lists the selection menus of the superuser administrator and the local user owner, and clicks the administrator to enter the command line mode.

3. Type the command:

net user owner 123456/add

Mandatory change of the owner user's password to "123456. If you want to add a user here (e.g. username seek, password 123456), type.

net user seek 123456/add

Available after addition.

net localgroup administrators seek/add

command to promote the user to the administrators user of the system management group with super privileges.

You can delete the SAM file in Windows System32 Config.

5.After powering on, press the delete key of the keyboard to enter the BIOS interface. Find the user password option, which is off by default. Activate and enter the user password (1 8 digits, English or numbers). Please enter it again when prompted by the computer.

Question: Lenovo All-in-One password forgot.

1. Restart the computer, press the F8 key immediately after the boot screen appears, and select "Safe Mode with Command Line".

2. At the end of the running process, the system lists the selection menus of the system superuser "administrator" and the local user "zhangbq", and clicks "administrator" to enter the command line mode.

3. Type the command: "net user zhangbq 123456 add" to force the password of the "zhangbq" user to be changed to "123456". If you want to add a new user here (e.g

If the user name is abcdef and the password is 123456), type "net user abcdef 123456 add", and then you can run the "net localgroup administrators abcdef add" command to promote the user to the administrators group and give the user super permissions.

4. Restart the computer, select Normal Mode to run, and you can log in to the "zhangbq" user with the changed password "123456".

Use "administrator".

We know that in the process of installing Windows XP, the first thing is to log in with "Administrator" by default, and then we will ask to create a new account, so that we can log in with this new account when entering Windows XP, and only the created user account will appear in the login interface of Windows XP, and "Administrator" will not appear, but in fact, the "Administrator" account still exists. And the password is empty.

When we understand this, if you forget the login password, on the login interface, hold down the CTRL+ALT key, and then press and hold the del key twice, the classic login screen can appear, at this time, type "administrator" in the user name, the password is empty to enter, and then modify the password of "zhangbp".

First click on the start icon in the lower left corner of the Control Panel User Account There is an option to change the password under the "Change User Account" tool, after entering the old password, do not enter the new password to confirm directly (or delete the password directly) to remove the boot password...

Start the computer with a boot disc or boot USB flash drive, and use a Windows login password cracker tool to clear or reset the login password under PE.

Listen to the boot press F8 to enter the safe mode with the command, click Administrator, and then enter the net user username 123 add, notice that there is a space in the middle, and then restart, the password will be forcibly changed to 123

This is the BIOS password, you can remove this password after discharging the CMOS of the motherboard, which has nothing to do with the system and does not need to create any superuser. You have to worry about someone setting this password for you again, you can set the setup password in the BIOS yourself.

The first is, of course, find the person who set the password and ask him what the password is.

Second, if the system is XP, you can use a U disk or CD with PE to crack the password, the way is very simple, put it into the U disk or CD, choose to start from them, the general boot interface has to crack the system password, and select the system disk letter according to the prompts, generally C disk.

That's the motherboard password, and I can only crack it for you when I take the case to repair the computer!

It looks like 50 yuan at a time!

What boot password,If it's an administrator password,Modify the account on it.,Enter the general guest or general administrator mode can also change the super administrator password,In"My computer"Right click on and there is one"Management"and select again"Local users and groups"and select it"Users", then here all the users on the computer are listed, right-click on the super administrator, you can set a password.

Step 1 Start the computer and press the [DEL] button to enter the main BIOS settings interface.

Step 2 In the BIOS main menu, there are two options to set the password, and they are "SetSupervisor."

password" and "setuserpassword".

Step 3: Select one of them and press Enter, enter the password when the EnterPassword dialog box appears. If this is your first time, enter the password should not exceed 8 characters, and note that this password is case-sensitive. When typing, the screen will not display the entered password, press the [Enter] key after entering.

Step 4 immediately follows, and confirm appears

password dialog box, enter the same password again (note: the original intention of this item is to verify the password just entered, if the password entered by the two companions is inconsistent, you will be asked to re-enter).

Step 5 Then in the BIOS main menu, select the "AdvancedBIOSFEATURES" item and select "Security" with the cursor key

option" item, use the [page] on your keyboard

up/page

down] key to change the option to system.

1.Power on and press and hold the delete key, and enter the BIOS in the back options, there should be a branch bucket to modify the password option 2If you don't shoot the scum line, start a ghost disk.

Boot from the hard drive.

In the options you will see:

Breaking the Secret Item.

3.If that doesn't work, reinstall the system.