CMOS boot password removal method

Open the chassis, find the battery on the motherboard, disconnect it from the motherboard (that is, remove the battery 喽), at this time CMOS will lose all information stored internally due to power failure. Then connect the battery and close the chassis. Since the CMOS is blank, it will no longer require you to enter the password. Enter the BIOS setup program and select "LOAD BIOS DEFAULT" in the main menu. Save the value) or "LOAD SETUP DEFAULT" (the default value of the loader program), the former to start the computer in the most secure way, the latter can make your computer play a higher performance genuine xp system download.
Magic DEBUG Clear CMOS Password
If you forget the password to enter the CMOS setup program, in addition to the method of using the jumper to clear the motherboard, you can also use the software to clear the method. The method of clearing the CMOS password under DOS.
In DOS, an editor is provided, which is DEBUG. This is a very useful tool. The startup method is to enter the command at the DOS command prompt: DEBUG, and you can enter the DEBUG editing interface.
After entering the command in the command state, restart the computer to clear the CMOS password. Here are five command lines to clear the CMOS password.
Method 1
-o 70 16
-o 71 16
-q
Method 2
-o 70 11
-o 71 ff
-q
Method 3
-o 70 10
-o 71 10
-q
Method 4
-o 70 23
-o 71 34
-q
Method五
-o 70 10
-o 71 ff
-q
Method 6
-o 70 90
-o 71 91
-q