Lenovo B550 Laptop User Guide

							Chapter 1. Getting to know your computer
3
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 blocked or else overheating of the computer may occur.
RJ-45 portThe port connects the computer to an Ethernet network.
Note:For details, see “Wired connection” on page 17.
VGA portConnect to external display devices.
USB portsConnect to USB devices.
Note:For details, see “Connecting a universal serial bus (USB) device” on page 16.
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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 “Using AC adapter and battery” on page 9.
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							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 to an external microphones.
Headphone jackConnect to an external headphones.
Attention:
Listening to music at high volume over extended periods of time may damage your 
hearing.
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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 
Express Card slot 
compartment
Battery latch - 
spring loaded
The spring-loaded battery latch keeps the battery pack secured in place.
Hard disk drive 
(HDD)
compartmentHouse the computer ’s hard disk drive.
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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, insert the battery pack and connect the
computer to an electrical outlet. The battery is automatically charged while the computer is
running on AC power.
Installing the battery pack
Refer to the supplied Setup Poster to install the battery pack.
Connecting the computer to an electrical outlet
1Connect the power cord to the AC adapter.
2Connect the AC adapter to the AC power adapter jack of the computer.
3Plug the power cord into an electrical outlet.
„Turning on the computer
Press the power button to turn on the computer.
„Configuring the operating system
You may need to configure the operation system when it is first used. The configuration process
may include the procedures below.
 Accepting the end user license agreement
 Configuring the Internet connection
 Registering the operating system
 Creating a user account  
						

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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 select Sleep from the Start menu.
 Press Fn + F1.
To wake the computer, do one of the following.
 Press the power button.
 Press any key on the keyboard.
„Shutting down your computer
If you are not going to use your computer for a day or two, shut it down.
To shut down your computer, click   and select Shut down from the Start menu.
Note:Wait until the power indicator light starts blinking (indicating that the computer is in sleep state) 
before you move your computer. Moving your computer while the hard disk is spinning can damage 
the hard disk, causing loss of data. 
						

							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 to charge the battery in any of the following situations:
 When you purchase a new battery
 If the battery status indicator starts blinking
 If the battery has not been used for a long time
„Removing the battery pack
If you are not going to use the computer for an extended period of time, or if you need to send 
your computer to Lenovo for service, etc. remove the battery pack from the computer. Before 
removing the battery pack, make sure the computer has been shut down.
Note:As each computer user has different habits and needs, it is difficult to predict how long a battery 
charge will last. There are two main factors:
 The amount of energy stored in the battery when you commence work.
 The way you use your computer: for example, how often you access the hard disk drive and how 
bright you make the computer display.
Notes:
You are advised to insert the battery pack when using your computer to prevent small particles from 
entering the inside of your computer.
To increase the life of the battery pack, the computer does not start recharging the battery immediately 
after it drops from fully charged.
Charge the battery at a temperature between 50 °F and 80 °F (10 °C-30 °C).
Full charge or discharge is not required. 
						

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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 the battery pack.
 Do not short-circuit the battery pack.
 Keep the battery pack away from children.
 Do not put the battery pack in trash that is disposed of in landfills. When disposing of the 
battery, comply with local ordinances or regulations and your company’s safety standards.
Using the touchpad  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 To u c h p a dTo move the cursor on the screen, slide your fingertip on the pad in the direction 
in which you want the cursor to move.
Left click buttonThe function corresponds to that of the left mouse button on a conventional 
mouse.
Right click buttonThe function corresponds to that of the right mouse button on a conventional 
mouse.
Note:You can enable/disable the touchpad using Fn+F8.
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							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 the use of the function keys, you can change operational features instantly. To use this 
function, press and hold Fn  ; then press one of the function keys  .
Note:The   indicator will light on if the numeric keypad is enabled.
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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. 
Fn + F10:Stop playback of Windows Media Player.
Fn + F11:Skip to the previous track.
Fn + F12:Skip to the next track.
Fn + Delete:Enable/Disable the scroll lock.
Fn + PrtSc:Activate the system request.
Fn + Pause:Activate the break function.
Fn + ↑ / ↓:Increase/Decrease display brightness.
Fn + → / ←:Increase/Decrease sound volume.