How To Remove The Power-On Password; How To Remove The Hard Disk Password - Lenovo ThinkPad L13 Yoga Gen 2 Hardware Maintenance Manual

You can enable the system management password to have the same authority as the supervisor password
to control security related features. To customize the authority of the system management password through
the UEFI BIOS menu:
1. Enter the UEFI BIOS menu.
Note: When you are prompted to enter the password, enter the correct supervisor password if a
supervisor password has been set, or enter the correct system management password if no supervisor
password has been set. Otherwise, you cannot change the configurations in the following steps.
2. Select Security ➙ Password ➙ System Management Password Access Control.
3. Follow the on-screen instructions.
If you have set both the supervisor password and the system management password, the supervisor
password overrides the system management password. If you have set both the system management
password and the power-on password, the system management password overrides the power-on
password.

How to remove the power-on password

To remove a power-on password, do the following:
If no supervisor password has been set, do the following to remove the power-on password:
1. Turn off the computer.
2. Remove the built-in battery. For instructions on how to remove the built-in battery, see "1050 Built-in
battery" on page 70.
3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see "1070 Coin-
cell battery" on page 73. Wait for a few seconds.
4. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see "1070 Coin-cell
battery" on page 73.
5. Reinstall the built-in battery. For instructions on how to install the built-in battery, see "1050 Built-in
battery" on page 70.
6. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt will not
be displayed. The power-on password has been removed.
If a supervisor password or a system management password has been set and is known to the service
technician, do the following to remove the power-on password:
1. Turn on the computer.
2. When the Lenovo logo is displayed, immediately press F1.
3. Type the supervisor password to enter the ThinkPad Setup program.
4. Select Security.
5. Select Password.
6. Select Power-On Password.
7. Type the current supervisor password in the Enter Current Password field. then leave the Enter New
Password field blank, and press Enter twice.
8. In the Changes have been saved window, press Enter.
9. Press F10 to save changes and exit the ThinkPad Setup program.

How to remove the hard disk password

Attention: If User only mode is selected and the user hard disk password has been forgotten and cannot be
made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide
any services to reset the user hard disk password, or to recover data from the hard disk drive. To put the
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L13 Gen 2, L13 Yoga Gen 2, S2 Gen 6, and S2 Yoga Gen 6 Hardware Maintenance Manual