Lenovo IdeaPad U550 User Manual page 17

OneKey Rescue
11
System button
Note: For details, see "Chapter 4. OneKey Rescue System" on page 41.
12 Fingerprint
reader
Chapter 1. Getting to know your computer
Press this button to open OneKey Rescue System (If
OneKey Rescue System has been preinstalled) when the
computer is powered off.
With the fingerprint reader you can register fingerprints
and use them as passwords to secure your computer.
3