Community Methods for Resetting Lenovo BIOS Password

Types of Passwords

You can set passwords like power-on password, supervisor password, system management password, and NVMe password in UEFI BIOS. All these passwords can prevent unauthorized access to your PC.

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• Power-on password: If you set a power-on password, you will be prompted with a window when the PC loads up. You need to enter the correct password to use the PC.
• Supervisor password: If you set a supervisor password, you will be asked to enter the password before accessing BIOS setup settings. You can also skip the password prompt by pressing Enter. This type of BIOS password protects the system information stored in UEFI BIOS.
• NVMe password: It is designed to stop unauthorized access to the data on the storage drive. After you set the NVMe password, you will be prompted to enter the correct password each time you attempt to access the storage drive.
• System management password: Like the supervisor password, the system management password also protects the system information stored in UEFI BIOS. It can be set through the UEFI BIOS menu or Windows Management Instrumentation (WMI) with the Lenovo client-management interface.

As you see, supervisor password is equivalent to BIOS password. The Lenovo BIOS password reset operation is actually the process of resetting supervisor password. How to reset Lenovo BIOS password? This post offers 3 methods to you.

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Method 1: Remove the CMOS Battery

Removing the CMOS battery is a simple way to reset Lenovo BIOS password. How to do that? Here are the instructions.

Step 1: Power off your Lenovo computer, disconnect the power source, and unplug all the cables from the laptop.

Step 2: Remove the battery from the laptop and remove the bottom of the laptop’s case.

Step 3: Find the CMOS battery and gently remove it from the laptop. This operation will reset BIOS settings to default settings, and thereafter clear the BIOS password.

Step 4: Wait for an hour, place the CMOS battery back in its slot, and reassemble the laptop.

Step 5: Turn on the computer and press F1 repeatedly. Then you will enter Lenovo/ThinkPad BIOS settings without a password.

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Method 2: Find and Utilize the Backdoor Password

Generally speaking, the manufacturer will configure a backdoor password to the BIOS. Since it’s hidden, it is invisible. You need to find it out and then use it to reset BIOS password Lenovo.

Step 1: Restart the computer and hit F1 repeatedly to boot up the BIOS entry screen.

Step 2: You are allowed to type three passwords on the password text box. If all these passwords are wrong, you will be prompted with the screen “System Disable”. Under the text, you will see a code that enables you to obtain the backdoor password.

Step 3: Move to another computer with Internet connected and open this site: https://bios-pw.org/.

Step 4: Input the code you receive on the System Disable screen and click Get password. Then a list of passwords will be displayed.

Step 5: Boot to the BIOS entry screen on your computer again and try the password on the list.

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Method 3: Short Circuit SDA and SCL in Security Chip

Performing a short circuit SDA and SCL in security chip is also an available way to reset BIOS password Lenovo. For doing that, you can follow the steps below.

Step 1: Power off the laptop, disconnect from the power source, and disassemble the laptop.

Step 2: Find the chip by grasping the plastic frame and turning the motherboard over. The chip usually is on the back of the motherboard.

Step 3: To short circuit the chip, you need to power on and boot the laptop. After you find the SCL and SDA, connect the hard drive, battery, keyboard, display screen, and the other basic components with the laptop.

Step 4: Connect with the power adapter and power on the computer. When the keyboard light is on, short circuit the SCL and SDA.

Step 5: Once you are in BIOS setup screen, reset Lenovo BIOS password. If the password is unnecessary, disable the supervisor password in BIOS.

Step 6: Press F10 > Enter to save changes and exit BIOS. Then power off the laptop and reassemble the device.

Bottom Line

Here comes to the end of the post. Three available methods to reset Lenovo BIOS password are offered to you. Now, it’s your turn to make a choice.