Lenovo B550 Laptop User Guide

Chapter 2. Learning the basics
13
Special button  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
OneKey Rescue system button 
 When the computer is powered off, press this button to enter the OneKey Rescue system if 
Lenovo OneKey Rescue system has been preinstalled.
 In Windows operating system, press this button to start...

14
Chapter 2. Learning the basics
System status indicators - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
These indicators inform you of the computer status.
cf de
abCaps lock indicator 
Num lock indicator 
Power status indicator 
Battery status indicator 
Wireless communication indicator 
Hard disk indicator a
b
c
d
e
f 

Chapter 2. Learning the basics
15
Securing your computer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This section provides information about how to help protect your computer from theft and 
unauthorized use.
„Attaching a security lock (not supplied)
You can attach a security lock to your computer to help prevent it from being removed without 
your permission. For...

16
Chapter 2. Learning the basics
Connecting external devices  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Your computer has a wide range of built-in features and connection capabilities.
„Connecting a universal serial bus (USB) device
Your computer comes with 3 USB ports compatible with USB devices.
„Connecting a Bluetooth enabled device (select models only)
If your computer has an...

17
Chapter 3. Using the Internet
As a global network, the Internet connects computers worldwide, providing services such as 
e-mailing, information searching, electronic commerce, Web browsing and entertainment.
You can connect the computer to the Internet in the following ways:
Wired connection: use physical wiring to connect.
Wireless network technology: connect without wiring.
Wired connection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

18
Chapter 3. Using the Internet
Wireless connection   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Wireless connections provide a mobile access to the Internet, allowing you to stay online 
anywhere the wireless signal covers.
Wireless connection to the Internet can be built by the following methods.
„Using Wi-Fi/WiMAX
Enabling wireless connection
To...

19
Chapter 4. OneKey Rescue system
OneKey Rescue system  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
„Introduction
The Lenovo OneKey Rescue system is an easy-to-use application that can be used to back up the 
data on your system partition (C drive) for easy restore when required. You can run Lenovo 
OneKey Recovery under the Windows operating system, and the OneKey...

20
Chapter 5. Troubleshooting
Frequently asked questions  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This section lists frequently asked questions and tells where you can find detailed answers. For details 
about each publication included in the package with your computer, see Lenovo B550 Setup Poster. 
What safety precautions should I follow when using my computer?
See “Important...

Chapter 5. Troubleshooting
21
What can I do if the backup process fails?
If you can start the backup feature without a problem, but it fails during the backup process, 
please try the following steps:
1Close other applications, then restart the backup process.
2Check if the destination media is damaged, try to select another path and then try again.
When do I need to restore the system to the factory status?
You can use this feature when your system fails or you need to re-install your operating 
system....

22
Chapter 5. Troubleshooting
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
If you do not find your problem here, see Chapter 2. The following section only describes problems 
that might negate the need to refer to the more comprehensive information in Chapter 2.
Display problems
When I turn on the computer, 
nothing...