Lenovo G450/G550 User Guide V2.0

Chapter 2. Learning the basics
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Special keys and buttons - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Your computer has several special keys and buttons.
 Volume buttons and OneKey Rescue System button
Volume buttons ( ~ ) (specific models only)
Vol u me u p
Vol u me d o w n
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 23.
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Lenovo G450-550 UG V2.0_en.book Page 15 Wednesday, September 2, 2009 9:29 AM