Lenovo B550 Notebook - Manual (Page 10)

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Chapter 1. Getting to know your computer
Power button Press this button to turn on the computer.
OneKey Rescue
system button Press this button to open OneKey Rescue system (If OneKey Rescue system has
been preinstalled) when the computer is powered off.
Note: For details, see “Chapter 4. OneKey Rescue system” on page 19.
System status
indicators For details, see “System status indicators” on page 14.
Integrated camera
(select models only) Use the camera for video communication.
Wireless module
antennas The built-in antennas ensure optimal reception of wireless radio.
Computer display The LCD display with LED backlight provides brilliant visual output.
Touchpad The touchpad functions as a conventional mouse.
Note: For details, see “Using the touchpad” on page 10.
Built-in
microphone The built-in microphone (with noise reduction) can be used for video
conferencing, voice narration, or simple audio recordings.
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