Lenovo IdeaPad U550 - Manual (Page 17)

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