Lenovo G450/G550 User Guide V2.0
G450/550 User Guide V2.0 cover_2-3
Second Edition (July 2009)
• Some instructions in this guide may assume that you are using Windows Vista
®
. 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, but it won’t 
 substantially 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 Notices in Appendix E first.
• The features described in this guide are common to most models. Some features may 
   not be available on your computer and/or your computer may include features that are 
   not described in this user guide.
Notes
LENOVO products, data, computer software, and services have been developed exclusively at private 
expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with 
limited and restricted rights  to use, reproduction and  disclosure. LIMITED AND  RESTRICTED 
RIGHTS NOTICE: If products, data, computer software, or services are delivered pursuant a General 
Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set 
forth in Contract No. GS-35F-05925.
© Copyright Lenovo 2009. 
If your product is not working correctly, 
DO NOT RETURN IT TO THE STORE.
For technical assistance, contact a Lenovo support specialist 24 hours a 
day by calling toll free 1-877-4 LENOVO (1-877-453-6686).  
Additionally, you can find support information and updates on the 
Lenovo Web site located at http://consumersupport.lenovo.com.
* Only for the users from the United States.
• The illustrations used in this manual are for Lenovo G550 unless otherwise stated.
• The illustrations in this manual may differ from the actual product. Please refer to the 
   actual product.










