Lenovo IdeaPad U455 User Manual page 16

Chapter 1. Getting to know your computer
Attention:
• Do NOT open the display panel beyond 130 degrees. 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
Wireless module
antennas
Computer
display
OneKey Rescue
system button
Note: For details, see "Chapter 4. OneKey Rescue system" on page 39.
Power button
Built-in
microphone
Ambient light
sensor
Note: Ambient light sensor is designed to conserve energy. If you want to set the
brightness of the LCD backlight manually, you can disable this feature in
Lenovo Energy Management. To disable ambient light sensor, launch Lenovo
Energy Management. On the main panel, click
Control. Clear the checkbox before ALS Control.
2
Use the camera for video communication.
The built-in antennas ensure optimal reception of wireless
communication radio.
The LCD display with LED backlight provides brilliant
visual output.
Press this button to open OneKey Rescue system (If
OneKey Rescue system has been preinstalled) when the
computer is powered off.
Press this button to turn on the computer.
The built-in microphone (with noise reduction) can be used
for video conferencing, voice narration, or simple audio
recordings.
The ambient light sensor detects the environmental
illuminance and automatically adjusts the brightness of the
LCD backlight.
and then click Smart