Lenovo 4186 - IdeaPad Y550 - Core 2 Duo P7450 Quick Start Download Page 2

Start the computer.

Adjust the 
display 
brightness.

Adjust the 
sound 
volume.

Turn on/off 
integrated camera.

Activate the pause 
function. 

Enable/disable 
Scroll Lock.

Enable/disable 
touch pad.

Open the interface for 
integrated wireless devices 
settings (enable/disable). 

Open the interface for 
display resolution 
settings.

Shift to other connected 
display devices.

Turn on/off the 
LCD screen.

Enter 
sleep mode.

Switch between character
or numeric input mode.

Fn key

Function key combinations

Buttons and functions

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

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

Used in combination with other keys to 
access special features.

Turn on/off the insert input.

Activate the system 
request.

Activate the break function.

Integrated wireless device switch

Lenovo IdeaPad Y550 SP V1.0_en_p2

Mute

Volume down

Volume up

Open the Dolby
function setup screen.

Select and open preset applications.

Open the OneKey 
Theater.

Touch inductive panel

Integrated camera

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

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 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. (Please refer to the actual product)

Use this switch to disable the wireless radio of all the wireless 
devices on your computer.

Volume buttons

OneKey Rescue System button / Power button

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