Lenovo T420 User Manual
1. Place the ball of your finger—that is, the central part of the fingerprint—on the small circle above the
reader. Make sure that the entire top joint of the finger is on the reader.
2. Apply light pressure and swipe your finger across the reader in one smooth motion.
Logging on to the system
After you enroll your fingerprint, log on to the system as follows:
1. Set a power-on password or a hard disk password, or both.
2. Turn your computer off and then on again.
3. When prompted, swipe your finger over the reader.
4. On request, type your power-on password, your hard disk password, or both. The enrolled fingerprint is
now associated with your power-on password, your hard disk password, or both.
The next time you start the computer, you can log on to the system by swiping your finger over the
reader once.
reader once.
Attention: If you always use your fingerprint to log on to the system, you may forget your password. Write
down your password, and keep it in a safe place. If you forget it and for some reason you cannot swipe your
finger across the reader—for example, if you injure that finger—you cannot start the computer or change
the password.If you forget your power-on password, you must take your computer to a Lenovo authorized
servicer or a marketing representative to have the password canceled.
down your password, and keep it in a safe place. If you forget it and for some reason you cannot swipe your
finger across the reader—for example, if you injure that finger—you cannot start the computer or change
the password.If you forget your power-on password, you must take your computer to a Lenovo authorized
servicer or a marketing representative to have the password canceled.
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User Guide