Windows XP power-on password is set to

Some friends do not want others to use their own computer, want to set the power-on password, how to set it? There are three ways to set the power-on password, namely the system user password, the system startup password, and the BIOS password. Provided a method are as follows:

a system user password

Open Control Panel, double-click "User Accounts", FIG. 1, select an account, a password created in Figure 2. Click " ", set the password in the corresponding position of Figure 3, press the "Create Password" button.
If you want to cancel the password, just enter the new password in Figure 3 and press Enter.

Second, set the system startup password method of

Windows XP in addition to setting up your account password in the user account control panel inside and outside, the system also provides a safer and more effective "system startup password" This password is displayed before the "User Password" at boot time. With the "system startup password" set, the system is more secure. Windows XP sets the "System Startup Password" method as follows:
Click the "Start" button, enter "Syskey" in the "Run" dialog box, as shown in Figure 4, press "OK" or press Enter. Windows XP account database security dialog box, as shown in Figure 5, click the "Update" button in the dialog box, the "Start Password" dialog box pops up, as shown in Figure 6, select the "Password Start" option, enter the system startup below When you press the "OK" button, you can cancel the system "Startup Password". In the "Startup Password" dialog box in Figure 6, select "System Generated Password" and then select "In Save the startup password on this machine, click "OK", enter the password again in the pop-up box, the startup password will be saved to the hard disk, and the window for starting the password will not appear when the next startup.
" The startup password appears before the login screen. After entering the correct startup password, the user can enter the user name and login password to log in to the system completely, so the system has double password protection.

Third, set a password in the BIOS boot method

press the Del key to enter the CMOS settings, find the "Advanced BIOS Features (Advanced BIOS feature set)" Enter, find the "Security Option (check Password mode) or "Password Check", set it to "System". This item has two settings System and Setup. When set to System, boot into CMOS settings and enter the operating system. You must enter the password; when set to Setup, only boot into the CMOS settings to enter the password, press the Esc key to return to the main page.

Find the "Set Supervisor Password" enter, in the presence Enter the password in the window and press Enter. Enter the same password again in the next window and press Enter to confirm. CMOS will record the password and return to the main page.

Find "Set User Password" Set the user password.
The difference between the user password and the super administrator password is: use the user password to enter the CMOS settings, only the view can not be modified.

On the home page Find the "Save & Exit" carriage return, press the Y key, then press Enter to save the settings.

Among the above three methods, the system startup password is the most secure, the user password is the second, the BIOS password is The security is the lowest. The BIOS password can be eliminated by removing the battery on the motherboard; the user password can also find many crack methods on the Internet; but it is difficult to find the crack method for the startup password.

It is recommended to set the startup password at the same time. And the user password, so there is double password protection, not only to enter the password when booting, but also to temporarily lock the computer by pressing the Windows logo key (the key between Ctrl and Alt) and the letter L key (locked, When the computer returns to the login screen, you must enter the password to return to the system for normal operation, so that others cannot use your computer.