How To Remove The System Management Password; Power Management; Sleep Mode - Lenovo ThinkPad L13 Gen 2 Hardware Maintenance Manual

8. Select Master hard disk password.
9. Type the current master hard disk password in the Enter Current Password field. Then leave the Enter
New Password field blank, and press Enter twice.
10. Press F10 to save changes and exit the ThinkPad Setup program. The user hard disk password and the
master hard disk password have been removed.

How to remove the system management password

To remove a system management password, do the following:
If no supervisor password has been set, do the following to remove the system management password:
1. Turn off the computer and disconnect ac power.
2. Disable the built-in battery. See "Disabling the built-in battery" on page 64.
3. Remove the built-in battery. See "1050 Built-in battery" on page 69.
4. Remove the coin-cell battery. See "1070 Coin-cell battery" on page 72.
5. Reinstall the coin-cell battery.
6. Reinstall the built-in battery.
7. Reinstall the base cover assembly.
8. Reconnect ac power.
9. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does
not appear. The system management password has been removed.
If a supervisor password has been set and is known to the service technician, do the following to remove the
system management password:
1. Turn on the computer.
2. When the ThinkPad 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 System Management 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. The system management password
has been removed.

Power management

To reduce power consumption, the computer has two power management modes: sleep and hibernation.

Sleep mode

When the computer enters sleep mode, the following events occur:
• The LCD is powered off.
• The hard disk drive or solid-state drive is powered off.
• The microprocessor stops.
To put your computer into sleep mode, do the following:
• Open the Start menu, click
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L13 Gen 2, L13 Yoga Gen 2, S2 Gen 6, and S2 Yoga Gen 6 Hardware Maintenance Manual
Power, and then click Sleep.