Lenovo U450 manual Integrated camera, OneKey Rescue System button / Power button, Volume buttons

Lenovo IdeaPad U450 SP V1.0_EN_p2

Buttons and functions External devices connection

1Integrated camera

The integrated camera offers an improved notebook experience for video-centric applications.

2OneKey Rescue System button / Power button

Repair Windows system kernel files or restore the system to its original state in case of an unrecoverable error.*

Start the computer.

*If OneKey Rescue System is installed.

3Volume buttons

Volume up.

Volume down.

Mute/Unmute the computer.

4Wireless radio switch

Use this switch to turn on/off the wireless radio of all wireless devices on your computer.

5Graphics Card switch (specific models only)

Switches between the independent graphics card mode and integrated graphics card mode.

Notes:

•Do not operate this switch when the computer is in sleep, hibernation or power-off mode as system error may occur.

•To ensure HDMI output quality, only use HDMI in the independent graphics card mode. Set the switch to DIS whenever you connect an HDMI device.

Ethernet

1

2 3

4

5

Notes:

•The above connection illustration is only for reference. You are responsible for evaluating the quality and compatibility when purchasing external devices. Function of all external devices is not guaranteed. Follow the instructions shipped with the devices when connecting them to your computer.

•The illustrations in this manual may differ from the actual product. Please refer to the actual product.

Attention:

Differring in backlight, the LCD on marketing can be divided into CCFL (Cold Cathode Fluorescent Lamp) LCD and LED (Light Emitting Diode) LCD.

The LCD applied LED backlight technology which adopts LED as the light source and is mercury-free and more energy-saving than CCFL backlight technology.