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(Computer should be turn off) To get to the BIOS/CMOS of the computer with you not knowing the password, first open the system unit, then take the CMOS battery and jumper out (refer to the motherboard documentation to locate the jumper) then set the jumper from 2 and 3 pins to 3 and 4 pins or from 1 and 2 pins to just 1. Put the battery back in, then turn on the computer, count to 20. Turn off the computer, set the jumper back to its original position then turn the computer back on, try to access BIOS/CMOS the password should now be gone.

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15y ago

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Modern PCs store the CMOS password in the CMOS memory itself.


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These settings are stored in the computer's BIOS. Sometimes it is also referred to as CMOS.


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Yes. While the computer is booting up, keep pressing the escape key until it appears.


What component is necessary to save system settings whe you power off the computer?

CMOS battery


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If it's a desktop computer and you forgot the BIOS power-on password, you can reset the BIOS by closing the "cmos reset" jumper on the motherboard.


Does cmos setup offer the option to set a supervisor password?

Most CMOS allow the administrator to add or edit a supervisor password. Enter your CMOS using whichever key your motherboard needs to open the CMOS (this will be displayed on the first screen of bootup), then find the general settings tab or a name similar and press enter on the password field. After that, enter your password and when you boot to your CMOS it will ask for your password.


Why does a computer need a battery?

CMOS battery of your laptop maintains hard disk, time and date, and other drivers and configuration settings in a CMOS memory. You will see these tiny CMOS batteries connected directly to the laptop’s motherboard.


How can you remove the password of one computer in a minute?

I know that a BIOS password can be removed by opening the computer, taking out the CMOS battery and then turn the computer on. Turn the computer back off and put the battery back in. The BIOS password should be gone and you could do that in less than a minute if you were really good at it.


What should you do to require a user to enter a password before a computer will boot?

Configure security through the CMOS setup utility.