Win7 system does not have a password why it will be stuck in the login interface

. When our computer is booted, it automatically enters the desktop, and now my win7 system opens the opportunity to log in to the login interface. That is to enter the account password to log in to the interface, the problem is that my computer has no account password as before, why is it stuck in the login interface. How can I get the computer not stuck in the login interface?
1
Open the run, I have 2 methods commonly used
1: Click Start, then select Run.
2: Press the Win+R button. It can be opened directly and run faster.
If you find that the operation can't be used, you can refer to the "Blocking & Starts" menu in the "Run & rdquo; Function", pay attention to the article you know how to open the run function.
2
Enter "ldway;control userpasswords2”" in the run. Click OK, and then the pop-up interface will <; to use this machine, the user must enter the username and password & rdquo; check to remove, and then keep. Just fine.
The above is about the win7 system, there is no password, why is it stuck in the login interface, and there is a method to modify the registry, you can see "How to remove the system user login interface when the computer is booted". Of course, the above method can also achieve that you do not need to change both.