Your computer has a security keyhole that requires a cable lock with a 15 mm diameter head. You can
attach a 15 mm diameter mechanical lock to your computer to help prevent it from being removed without
your permission.

Note: Using a cable lock with a head diameter larger than 15 mm will prevent the LCD from being opened
successfully, and may damage your LCD.

Attach a 15 mm diameter mechanical cable lock to the keyhole of the computer, then secure the chain on
the lock to a stationary object. For detailed method, refer to the instructions shipped with the mechanical
cable lock.

Note: You are responsible for evaluating, selecting, and implementing the locking devices and security
features. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance
of locking devices and security features.

Using passwords

By using passwords, you can help prevent your computer from being used by others. Once you set a
password, a prompt appears on the screen each time you power on the computer. Enter your password at
the prompt. You cannot use the computer unless you type the correct password.

Make sure that only authorized individuals access your computer. Establishing different kinds of passwords
requires that other possible users know the proper passwords in order to access your computer or your data.

If this icon appears, enter the Power-on password or the Supervisor password.

If this icon appears, enter the Hard disk password.

Note: If this icon appears, type a user hard disk password. If you want to type a master hard disk password,
press F1 and type a master hard disk password.

If this icon appears, enter the Supervisor password.