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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 power-on password has
been removed.
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 passwords or to recover data from the M.2 solid-state drive. The M.2
solid-state drive can be replaced for a scheduled fee.
To remove a user hard disk password that has been forgotten, when the supervisor password and master
hard disk password are known, do the following:
1. Turn on the computer.
2. When the ThinkPad logo comes up, immediately press F1 to enter the ThinkPad Setup program. When
the power-on password icon is displayed on the screen, enter either the power-on password or the
supervisor password.
3. When the user hard disk password icon is displayed on the screen, press F1. The master hard disk
password icon is displayed.
4. Enter the master hard disk password to enter the ThinkPad Setup program.
5. Select Security.
6. Select Password.
7. Select Hard-disk x password, where x is the letter of the M.2 solid-state drive. A pop-up window opens.
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.
Power management
To reduce power consumption, the computer has three power management modes: screen blank, sleep,
and hibernation.
Sleep mode
When the computer enters sleep mode, the following events occur in addition to what occurs in screen
blank mode:
• The LCD is powered off.
• The solid-state drive is powered off.
• The microprocessor stops.
To enter sleep mode, do one of the following:
• Press Fn+4.
• Open the Start menu, click
In certain circumstances, the computer goes into sleep mode automatically:
• After a period of inactivity specified in power plan settings
Power, and then click Sleep.
.
Chapter 4
Related service information
33
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