Lenovo IdeaPad U450p 3389 User Manual page 35

Volume buttons ( ~ )
Volume up
Volume down
Mute/Unmute
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 37.
Chapter 2. Learning the basics
21