Computer windows7 ultimate version of the virus after booting administrator to password seems to be

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It can also be done in safe mode.

Don't enter the password to confirm directly, and then change the welcome screen in the user account after entering.

The administrator account of win7 ultimate version boot is not set with a login password by default, and it can be judged to log in directly. If you find that you need to set a login password during use, you can follow the steps below:

1.Select "Control Panel" from the start menu, and select "User Account Guessing and Family Safety".

2.Select User Accounts, and then select Manage another account.

3.Find "Who can log in to this computer", then find the administrator account and click "Create password".

4.Enter the password you want to set and confirm it.

Here are some suggestions to look out for:

1.When setting a password, choosing a password that is complex enough can improve the security of your account.

3.Don't be fooled from granting computer administrator privileges to others, keep your accounts and passwords confidential and secure to protect your computer system from potential attacks and malware.

Use a USB flash drive boot disk or system disc to enter PE to crack.

For the win7 user password does not know, the easiest way is to ask the person who set the password, if it is your own, try a few more times. If it really doesn't work, it can only be removed. Here's how:

First, the easiest way.

When you boot up to the welcome interface, a prompt box for entering your username and password appears, press Ctrl+Alt+Delete, pop up the account window, enter your username: "administrator", and press Enter.

If this "administrator" account also has a password, then that's it, press F8 when the win7 system starts, select "Security mode with command line", select "administrator" to pop up the "command prompt" window, add users: "net user asd add", upgrade administrator: "net localgroup administrators asd add".

Finally, restart, select ASD to enter the control panel - user account - forgot password - delete password.

Second, PE tools shouted to clean up.

Set up a USB flash drive to start the computer, select Windows password clear in the PE interface, and press the lead block section to clear the account password quickly.