Why do I have to enter a password after turning on my computer, but I haven t set a password?

Press the key combination of the call-out task manager on the login interface, and the administrator login interface will appear, and you don't need to enter the password, just log in directly (the username is the English word of the administrator, starting with a) If you don't understand, you can ask.

Simple! Get a system disk! Set the computer to boot with an optical drive, and then crack the password.

It may be due to the keypad locking.

How to set a password on your computer:

1. Click "Start" and open "Control Panel".

2. Click on the "User and Family Safety" item to enter.

3. Click the "Change Windows Password" button.

4. Select the account you want to set a password for and click the "Create a password for your account" button.

5. Then enter the password and click the "Create" button.

6. Then you will find that there is a "password protection" mark next to the account avatar, which indicates that the password computer password has been successfully created.

1. Computer crash: If the computer has crashed, the keyboard and other devices cannot be used at all. At this point, you can restart the computer, and if the fault persists, you need to reinstall the system.

2. There is no input character in the password input box: because of misoperation, there is no input character in the password input box, so it cannot be entered. At this point, you can move the mouse pointer to the input box, click the left button, and enter the password after the input character appears.

3. The keypad area is not opened: If you use the numeric keys in the keypad area to enter the password, and the numlock is not turned on (the numlock indicator is not on), you need to press the numlock key first, and then enter the numic password.

4. Keyboard failure: If the above operation is invalid, it is not excluded that the keyboard fails, and the keyboard interface can be replaced or the keyboard can be replaced directly.

What is the reason why I can't enter the password after the computer is turned on?

The computer can't enter the password after booting up, what is the reason 1, when entering the password, check whether the letter case is set, or whether the keys on the keyboard are pressed and do not pop up. 2. Recall whether you have performed special operations before the keyboard failure, such as whether you have made hardware changes or connected some external devices, if so, try to configure and disconnect the external devices before restoring. 3. If you have not carried out special operations, please press the power button and press the "F10" button continuously to see if you can enter the BIOS, if you can enter, it means that the notebook keyboard is generally no problem, this situation is likely to be caused by a problem with the system.

You can also turn on the computer and press the F8 key to see if there is a "choose to use the latest correct configuration" or "safe mode" option, if you can see it, it also means that there is no problem with the keyboard, you can back up the data and reinstall the system to try. 4. If you can't enter the BIOS by pressing F10 after booting up, this situation is likely to be caused by faulty keyboard hardware.

Hello cancel the password, try again according to the following methods: 1. The method of setting the user password in the system:

Start Control Panel User Accounts Select your account Create a password Enter your password twice Press the "Create Password" button.

If you want to cancel your password, just press enter when you are asked to enter a new password in step 2.

Second, the method of setting the startup password in the system:

In addition to setting a "user password" in the user account in the control panel to ensure system security, Windows XP also provides a more secure and effective "system boot password", which is displayed before the "user password" when booting up, and can also generate a key disk. If you set a "system boot password", the system is more secure. Here's how to set the "System Boot Passcode" for Windows XP:

Click "Start" and "Run", enter "Syskey" in the "Run" dialog box (do not enter quotation marks), press "OK" or press Enter, the "Keep Windows XP Account Database Secure" dialog box pops up, click the "Update" button in the dialog box, the "Startup Password" dialog box pops up, select the "Password Startup" single option, enter the password when the system starts below, and press the "OK" button.

To cancel the "boot password" of this system, select the "system-generated password" in the "boot password" dialog box after the above operation, and then select the "save boot password on the machine" below, after confirmation, the boot password will be saved to the hard disk, and the boot password window will not appear next time you boot up.

"Boot Password" is displayed before the login screen appears, and the login screen will be displayed only after the correct boot password is entered, and the user can enter the username and login password to fully log in to the system. In this way, the system is protected by a double password.

1. After booting up, press F8 to enter safe mode, and then exit, select Restart or Shutdown to turn on the computer, and you can enter normal mode (repair registry).

2. If the fault persists, please use the system restore that comes with the system to restore it to the time when you did not have this failure (if the normal mode recovery fails, please boot the computer and press F8 to enter the safe mode and use the system restore).

3. If the fault persists, use the system disk to repair it, open the command prompt and enter sfc scannow Enter (there is a space between sfc and ), insert the original system disk to repair the system, and the system will automatically compare the repaired.

4. If the fault persists, set the optical drive in the BIOS as the first boot device, insert it into the system installation disk, press the R button, and select "Repair Installation".

5. If the fault persists, it is recommended to reinstall the operating system.

Enter "Safe Mode" and enable the "System Restore" function to restore the system to the time period of the last normal boot. If it doesn't solve the problem, there may be a problem with the system. It is recommended to reinstall the system.