Lenovo B450 Notebook - Manual (Page 32)

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Chapter 2. Learning the basics
Special keys and buttons - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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.
• Under Windows operating systems, press this button to start Lenovo
OneKey Recovery.
Note: For details, see “OneKey Rescue System” on page 28.