How can I forget my password?

In daily operations, we often need to enter various passwords, such as passwords when starting the system, and passwords when QQ is used. If you forget these passwords, you may not be able to use machines, open files, or chat ......

It may cause huge losses! Next we will introduce common password cracking methods in computer operations, hoping to solve your urgent needs!

I. Forgot the system password

If you forget the system password in the CMOS settings, you will not be able to start the machine. The solution is to open the chassis, remove the battery, connect the positive and negative poles, and discharge the CMOs, clear all the content in CMOS (including the password, of course), and then restart the system to set it.

Note: For some motherboard With the CMOS Password clear jumper, refer to the motherboard manual to transient the jumper, so that the CMOS password can also be cleared.

Ii. Forget the setup Password

If you forget the password, you cannot set CMOS. If you can use a computer but cannot enter the CMOS settings, you can solve this problem: Start debug in DOS state, and then enter the following command to manually clear the setup password:
_ O 70 16
_ O 71 16
_ Q

You can also use the CMOS password cracking software to display the CMOS password. There are many such software, such as cmospwd, it supports various BIOS such as Acer, Ami, award, Compaq, Dell, IBM, Packard Bell, Phoenix, and Zenith Ami.ProgramThe CMOS password is displayed.

3. Forget the Windows logon Password

Countermeasure under winme/98: Press F8 to start DOS, and then delete *. the PWL password file, and all the personal information files in the profiles subdirectory. After windows is restarted, a password setting box containing no user name is displayed, without any input, click confirm to delete the logon password.

In addition, modify the userprofiles under the HKEY_LOCAL_MACHINE, network, and logon branches of the registry database to "0", and then restart Windows to achieve the same purpose.

Countermeasure under WINXP/2000: Delete the Sam file under the system installation directory/system32/config and restart the system. At this time, the Administrator account has no password and logs on to the system with the administrator account, you do not need to enter any password. after entering the system, you can reset the Logon account password.

4. Forget the Windows Screen saver password

Solution: Press F8 after the instance is started, select safe mode to start, enter windows, right-click the blank area on the desktop, and select "properties"/screen protection from the shortcut menu, cancel "password protection.

5. Forget the Windows Power Management Password

You can also set a password for the power management function of windows. When this function is enabled, the password is required when the system returns from the energy-saving status.

If you forget the password, you can use the method used to crack the Windows logon password.