Lenovo B550 Notebook - Manual (Page 21)

Chapter 2. Learning the basics
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Special button - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
OneKey Rescue system button
• When the computer is powered off, press this button to enter the OneKey Rescue system if
Lenovo OneKey Rescue system has been preinstalled.
• In Windows operating system, press this button to start Lenovo OneKey Recovery.
Note: For details, see “OneKey Rescue system” on page 19.