How to turn on the computer without a username and password

Click "Start Run", enter "rundll32 ,usersrundll", press the enter key and the "User Account" window will pop up, see clearly, this is different from the "User Account" panel window opened in the "Control Panel"! Then uncheck the "To use the machine, the user must enter a username and password" option, click OK, and enter the account and password you want the computer to automatically log in to each time in the pop-up dialog box.

Right-click on my computer, select Administration--- Computer Management--System Tools--Local Users and Groups--Local Users--- then look at the box on the right that lists the current user, disable all other users, leave only the administrator user, right-click on this user and select Set Password--- then continue, don't fill in any password there, continue, it's OK, and then OK, so that there is no password.

You can go into more detail.

If it's a boot password!

Then you are starting - Control Panel - User Account - Change User - Select your current user name and go into it to delete or modify it yourself!

If not, please specify in detail.

In the user account control in the control panel, just disable the password.

Start-Run Enter control userpasswords2 to remove the checkmark in front of the "To use this machine, you must enter the username and password" option, click Apply, a dialog box will pop up for you to automatically specify the login user, enter the username and password, OK, and you're done!

Start - Control Panel - User Account - Change User.

Just cancel the password

You can set your password to empty in the control panel, click Start - Settings - Control Panel - User Account - Change My Password, OK

The solution is as follows:

2. Enter "netplwiz" in the program in the pop-up dialog box and click the OK button.

3. In the dialog box that appears, uncheck "To use this computer, the user must enter the user name and password", click the user name, and click the OK button.

4. Enter the confirmation password of the new password for automatic login in the pop-up dialog box, and click the OK button. The next time you log in, you won't have to enter your password.

If you set the username and password when installing the operating system, and now you don't remember it, you can start the disk through the USB flash drive (you can not find a USB flash drive to make one, make a reference**: web link.

And through this USB flash drive boot disk into the PE system, and then use the decipherment tools it provides to crack your system password. Refer to the diagram below.

1.Enter safe mode: Press F8 when Win7 system starts, select "Safe with command line", "Administrator" out of the "Command Prompt" window, this is the Command Prompt window.

2.Add a new account: 1To add a user first, enter net user asd add enter 2Then upgrade to administrator and type: net.

3.Delete the old password: Once you are in the system, open it in turn"Control Panel"- > user accounts"- > users who have forgotten their passwords"->

Under normal circumstances, the reinstalled system does not have a username and password, but only prompts the user to set it. Unless the user is using an old system or ghost installation.

1. First click the start menu in the lower right corner, select Settings, and then select Account in Windows Settings2, select the login option in the left sidebar, click Password, change, enter the current password, click Next3, enter nothing after jumping, click Next, and finally click Done to put it away.