Lenovo B550 User Manual page 10

Chapter 1. Getting to know your computer
a
Power button
b
OneKey Rescue
system button
Note: For details, see "Chapter 4. OneKey Rescue system" on page 19.
c
System status
indicators
d
Integrated camera
(select models only)
e
Wireless module
antennas
f
Computer display
g
Touchpad
Note: For details, see "Using the touchpad" on page 10.
h
Built-in
microphone
2
Press this button to turn on the computer.
Press this button to open OneKey Rescue system (If OneKey Rescue system has
been preinstalled) when the computer is powered off.
For details, see "System status indicators" on page 14.
Use the camera for video communication.
The built-in antennas ensure optimal reception of wireless radio.
The LCD display with LED backlight provides brilliant visual output.
The touchpad functions as a conventional mouse.
The built-in microphone (with noise reduction) can be used for video
conferencing, voice narration, or simple audio recordings.