Lenovo B550 Laptop User Guide

P/N: 147003161-1.1Printed in China

Lenovo B550
User Guide V1.0
Read the safety notices and important tips in the included manuals before using your computer.
©Lenovo China 2010
New World. New Thinking.TM
www.lenovo.com 

B550 UserGuide V1.0 cover_2-3
First Edition (January 2010)
•Some instructions in this guide may assume that you are using Windows® 7. If you are       using other Windows operating system, some operations may be slightly different. If you       are using other operating systems, some operations may not apply to you, and thus       shouldn’t affect your use of this computer. 
•Before using this information and the product it supports, be sure to read Important safety        information on page ii and...

Dear user,
Thank you for purchasing your new Lenovo notebook computer! 
Before using this product, make sure to read this user guide carefully. 
We are pleased that you have chosen Lenovo for your mobile computing needs. To help you 
master the usage of your new computer quickly, we have prepared this user guide. In this 
manual you will find information on the system configuration, basic operating instructions, and 
important notices. We have done our best to avoid any errors in making sure that the...

Explanation of hard disk capacity
Dear user,
While using your computer, you may find that the nominal hard disk capacity indicated is 
somewhat different from the disk capacity displayed by the operating system. For example, a 
nominal 80GB hard disk will appear as less than 80GB in the operating system. This 
discrepancy is not an error in hard disk installation nor any other problem, but a normal 
phenomenon for computers. This phenomenon is primarily due to the following reasons:
I. Different...

i
Contents
Important safety information.......................ii
Important safety information ......................ii
Chapter 1. Getting to know your 
computer .......................................................1
Top view ......................................................... 1
Left-side view ................................................ 3
Right-side view .............................................. 4
Front view ...................................................... 5
Bottom view...

ii
Important safety information
Important safety information  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This information can help you safely use your notebook personal computer. Follow and retain 
all information included with your computer. The information in this document does not alter 
the terms of your purchase agreement or the Lenovo Limited Warranty. For more information, 
see...

Important safety information
iii
Ensure your computer and other components maintain good ventilation. 
Danger:
 Placing the working computer or other parts on a bed, sofa or other flexible surface 
may block the ventilation slots causing overheating of your computer or other parts 
and increases the risk of fire.
Turn off wireless devices where they may cause interference, such as in a hospital or at an 
airport.
Correct usage procedures
Use ONLY the power cord, power adapter and battery pack shipped...

iv
Important safety information
Do not drop, bump, scratch, hit or place heavy objects on the liquid crystal display (LCD) of 
your computer.
Attention:
 Direct contact with liquid crystal material from a broken LCD is hazardous; if contact 
occurs, rinse with large amount of running water for more than 15 minutes.
Service and upgrades
Do NOT attempt to service a product yourself unless instructed to do so by the customer 
support center or your documentation.
Attention:
 DO NOT take risks or attempt to...

1
Chapter 1. Getting to know your computer
Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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,...

2
Chapter 1. Getting to know your computer
Power button
Press this button to turn on the computer.
OneKey Rescue 
system buttonPress 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 19.
System status 
indicatorsFor details, see “System status indicators” on page 14.
Integrated camera 
(select models only)Use the camera for video communication.
Wireless module...