Lenovo IdeaPad U450 - Manual (Page 16)

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Chapter 1. Getting to know your computer
Attention:
• Do NOT open the display panel beyond 130 degree. When closing the display
panel, be careful NOT to leave pens or any other objects in between the display
panel and the keyboard. Otherwise, the display panel may be damaged.
Integrated
camera Use the camera for video communication.
Wireless module
antennas The built-in antennas ensure optimal reception of wireless
communication radio.
Computer
display The LCD display provides brilliant visual output.
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 39.
Power button Press this button to turn on the computer.
Built-in
microphone The built-in microphone (with noise reduction) can be used
for video conferencing, voice narration, or simple audio
recordings.
Ambient Light
Sensor The light sensor detects the environmental illuminance and
automatically adjusts the panel brightness of the display
accordingly, if enabled.
You may enable/disable the light sensor in Lenovo Energy
Management software.
Volume buttons Turn up/down or mute the volume with volume buttons.
Touchpad The touchpad functions as a conventional mouse.
Note: For details, see “Using the touchpad” on page 14.