Lenovo IdeaPad U150 - Manual (Page 36)

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Chapter 2. Learning the basics
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.
Mute button
• Mute/Unmute the computer.
Note: For details, see “OneKey Rescue System” on page 37.