Lenovo B550 Laptop User Guide

Chapter 1. Getting to know your computer
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Left-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Kensington slotAttach a security lock (not supplied) here.
Note:For details, see “Attaching a security lock (not supplied)” on page 15. 
Fan louversDissipate internal heat.
Note:Make sure that none of the fan louvers are...

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Chapter 1. Getting to know your computer
Right-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
USB portConnect to USB devices.
Note:For details, see “Connecting a universal serial bus (USB) device” on page 16.
Optical driveRead/Burn optical disks.
AC power adapter 
jackConnect the AC adapter here.
Note:For details, see...

Chapter 1. Getting to know your computer
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Front view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SpeakersThe stereo speakers provide rich and powerful sound.
Integrated wireless 
device switchUse this switch to turn on/off the wireless radio of all wireless devices on your 
computer.
Microphone jackConnect...

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Chapter 1. Getting to know your computer
Bottom view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Battery latch - 
manualThe manual battery latch is used to keep the battery pack secured in place.
Battery packFor details, see “Using AC adapter and battery” on page 9.
Memory/CPU 
(Central processing 
unit)/Mini PCI...

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Chapter 2. Learning the basics
First use  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
„Reading the manuals
Read the supplied manuals before using your computer.
„Connecting to the power
The supplied battery pack is not fully charged at purchase.
To charge the battery and begin using your computer,...

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Chapter 2. Learning the basics
„Putting your computer into sleep state or shutting it down 
When you finish working with your computer, you can put it into sleep state or shut it down.
Putting your computer into sleep state
If you will be away from your computer for only a short time, put the computer into sleep state.
When the computer is in sleep state, you can quickly wake it to resume use, and bypass the
startup process.
To put the computer into sleep state, do one of the following.
 Click  and...

Chapter 2. Learning the basics
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Using AC adapter and battery  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
„Checking battery status
You can determine the percentage of battery power remaining by checking the battery icon in 
the notification area.
„Charging the battery
When you find that the battery power is low, you need to charge the battery or replace it with a 
fully charged one.
You need...

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Chapter 2. Learning the basics
„Handling the battery
If the rechargeable battery pack is replaced with an incorrect type, there may be danger of an 
explosion. The battery pack contains a small amount of harmful substances. To avoid possible 
injury and detriment to the environment, pay attention to the following points:
 Replace only with a battery of the type recommended by Lenovo.
 Keep the battery pack away from fire.
 Do not expose the battery pack to water or rain.
 Do not attempt to disassemble...

Chapter 2. Learning the basics
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Using the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Your computer has a numeric keypad and function keys incorporated in its standard keyboard.
„Numeric keypad
The keyboard has a separate numeric keypad. To enable or disable the numeric keypad, press 
the Num Lock key.
„Function key combinations
Through...

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Chapter 2. Learning the basics
The following describes the features of each function key.
Fn + F1:Enter sleep mode.
Fn + F2:Turn on/off the backlight of the LCD screen.
Fn + F3:Open the interface for the display device switch to select this 
notebook or an external display.
Fn + F4:Open the interface for display resolution settings.
Fn + F5: Open the interface for integrated wireless devices settings (on/off). 
Fn + F8:Enable/Disable the touchpad.
Fn + F9:Start/Pause playback of Windows Media Player....