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. The setting methods are as follows: 1. System user password Open the control panel and double-click “User Account”, as shown in Figure 1, select an account, click “Create Password” in Figure 2, in the corresponding position in Figure 3. To set a password, 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 Windows XP in addition to the account password can be set in the user account of the control panel, the system also provides a more secure and effective "system startup password", this password before the boot at <quo; User password & rdquo; display. With the system startup password set, the system is more secure. Windows XP settings "System startup password" method is as follows: Click “ Start & rdquo; button & rdquo;, in the "Run" dialog box, enter "Syskey", as shown in Figure 4, press "Determine" & rdquo; Or enter. Pop-up "Always secure Windows XP account database" dialog box, as shown in Figure 5, click the "Update" button in the dialog box, pop-up "Start password" dialog box, as shown in Figure 6, select "ldquo; password Start & rdquo; single option, enter the password when the system starts, press the “OK” button. To cancel this system <start password”, in the "Start password" dialog box of Figure 6, select <; system generated password & rdquo;, then select the following “ save the startup password on this machine & rdquo; 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 the next time you start it. “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 completely to the system, so the system has double password protection. Third, set the password in the BIOS method Press the Del button to enter the CMOS settings, find "Advanced BIOS Features" & rdquo; Enter, find "Security Option (check password method)" or "Password Check (check password method) & rdquo;, set it to <; System & quoquo;. This item has two settings, System and Setup. When it is set to System, it will enter the password when booting into CMOS settings and entering the operating system. When it is set to Setup, it will only enter the CMOS settings to enter the password. Press Esc to return to the main page.
Find “Set Supervisor Password" Enter, enter the password in the window that appears 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" You can set a user password. The difference between a user password and a super administrator password is that the user password is used to enter the CMOS settings, and only the view cannot be modified.
On the main page, find “Save & Exit” Enter, press Y, 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, and the BIOS password is the least secure. The BIOS password can be eliminated by removing the battery on the motherboard; the user password can also find many cracking methods on the Internet; however, it is difficult to find the cracking method for the startup password.
It is recommended to set the startup password and user password at the same time, so there is double password protection, not only to enter the password when booting, but also by pressing the Windows logo key (the key between Ctrl and Alt) and the letter when leaving temporarily. The L key locks the computer (when locked, the computer returns to the login screen, you must enter the password to return to the system for normal operation), so that others can not use your computer.