• 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.
• 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.
• 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.
• 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.
U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services are provided
with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to the GSA
ADP Schedule contract with Lenovo, if any, or the standard terms of this commercial license, or if the
agency is unable to accept this Program under these terms, then we provide this Program under the
provisions set forth in Commercial Computer Software–Restricted Rights at FAR 52.227-19, when
applicable, or under Rights in Data-General, FAR 52.227.14 (Alternate III).
Respective Users
Dear user,
Thanks for purchasing Lenovo notebook! Before using this product, please make sure to read
this User Guide carefully.
We are most honored to have you as our customer. In order to make sure you master the usage
of Lenovo notebook soon, we have prepared this User Guide for you. This manual has been
made very simple and comprehensive. In this manual, you can get information on the system
configuration, installation steps and the basic operating systems. We strongly recommend that
in using this product, please be sure to carefully read the manual. It will actually help you make
better use of the computer.
We have done our best to avoid human errors in making sure that the information provided in
the manual is accurate and reliable. However we cannot completely guarantee that there will
not be any mistakes that were not found and checked out before printing.
Please bear with us because there might also be some uncontrolled omissions while printing,
binding or distributing.
Because we are trying to improve the full performance and reliability of our equipment, the
hardware and software components might need some little adjustment. In this case, this might
lead to an inconsistency in the actual makeup of the equipment to that of the information stated
in the manual, but it will not substantially affect your use.
Thanks for your cooperation!
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 40GB hard disk will appear as less than 40GB in the operating system. This
discrepancy is not an error in hard disk installation nor any other problem, but a normal
phenomenon of computers. This phenomenon is primarily due to the following reasons:
I. Different standards used by the manufacturer and operating system when
calculating hard disk capacity
Hard disk manufacturers use a radix of 1000, i.e., 1G = 1,000MB, 1MB = 1,000KB,
1KB = 1,000 bytes. However, when identifying hard disk capacity, operating systems use a radix
of 1024, i.e. 1GB = 1,024MB, 1MB = 1,024KB, 1KB = 1,024 bytes. The standard adopted by your
computer is that of the hard disk manufacturers. Since the standards adopted by the hard disk
manufacturer and operating system are different, the hard disk capacity displayed by the
operating system will be different from the nominal hard disk capacity.
For example, if the hard disk is nominally X G, even when it is completely empty, the capacity
displayed by the operating system will be:
X × 1000 × 1000 × 1000/ (1024 × 1024 × 1024) ≈ X × 0.931 G
In addition, if a portion of the hard disk space has been used for some specific purpose, then the
capacity indicated by the operating system will be even less than X × 0.931 G.
II. A portion of the hard disk space is used for specific purposes
Lenovo computers may come with preinstalled OneKey Rescue System, so the hard disk has a
special portion partitioned before delivery, which is used to store hard disk mirror and OneKey
Rescue System program files. The size of the reserved space for this partition varies according to
the model, operating system and software of the computer. For the sake of safety, this partition is
not apparent, which is commonly referred to as a “hidden partition”.
In addition, after the hard disk is partitioned or formatted, the system will assign a certain
amount of hard disk space for the system files.
For the above reasons, the available hard disk space indicated by the operating system is
always less than the computer’s nominal hard disk capacity.
Contents
Important safety information.......................ii
Important safety information......................ii
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 “Appendix C. Lenovo limited warranty” on page 46.
Read this first
Personal computers are electronic devices. Power cords, power adapters, and other features can
create potential safety risks that can result in physical injury or property damage, especially if
misused.
The safety risks are categorized as follows:
Danger:
Physical injury or even death may be caused.
Attention:
Property damage or even minor injury may be caused.
To protect yourself from hazards and create a safer computer work environment, follow the
instructions hereafter.
Unpack
Inspect the covers of the computer and AC adapter, especially parts with the following
labels attached for any crack or damage.
Working place
Do NOT use the computer in humid places such as a bathroom.
Keep the computer and other parts away from liquids.
Do NOT use the computer during a lightning storm.
ii
Danger:
• Hazardous voltage, current, and energy levels are present inside any component that
has this label attached.
Danger:
• An electric shock may be caused by spilled liquid.
Attention:
• Lightning storm may damage the computer and result in an electric shock.
Important safety information
Keep a good ventilation of the computer and other parts.
Danger:
• Placing the working computer or other parts on a bed, sofa or other flexible surface
may block the ventilation slots causing overheat of your computer or other parts to
overheat or even catch a fire.
Turn off wireless devices where they may cause interference, such as in a hospital or at an
airport.
On using
Use ONLY the power cord, power adapter and battery pack shipped with the computer and
never use them with another product.
Be sure the power outlet is suitable for the plug and provides the correct voltage and
current for the product you are installing.
Danger:
• An unsuitable power supply may damage your computer or cause an electric shock
or fire.
Do NOT use a power outlet, power cord, power adapter or battery pack that appears to be
damaged or corroded.
Do NOT share an electrical outlet with other home or commercial appliances that draw
large amounts of electricity.
If a power strip is used, the load should NOT exceed its rating. Unplug the power cord if
there is a cracking, hissing, or a popping sound, or a strong odor comes from the computer.
Danger:
• Overloading the power supply may cause unstable voltages which might damage
the computer, data, or attached devices, or even cause a fire.
Do NOT wrap the power cord around the power adapter or other object.
Do NOT squeeze or pinch the cord, or place heavy objects on it.
Attention:
• Stressing the cord may cause the cord to fray, crack or crimp which may present a
safety hazard.
Avoid keeping your hands, your lap, or any other part of your body in contact with a hot
section of the working computer for any extended length of time.
Attention:
• Extended contact with your body, even through clothing, could cause discomfort or
even a skin burn.
iii
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 diagnose the situation yourself. Contact the
customer support center for further guidance.
Lenovo provides documentation with instructions when it is appropriate for customers to
install options or replace units (CRUs). Closely follow all instructions when installing or
replacing parts.
Disconnect the attached power cords, battery pack, and all the cables before you open the
device covers, unless instructed otherwise in the installation and configuration procedures.
Keep the covers closed whenever the computer is plugged in.
Do NOT remove the cover of CD/DVD drive, power adapter, battery pack or other
unserviceable parts.
Danger:
• Open the cover of CD/DVD drive or power adapter may result in an electric shock,
laser radiation or even a explosion.
Note: The illustrations in this manual may differ from the actual product. Please refer to the actual product.
Attention:
• Do NOT open the display panel beyond 130 degree. When closing the display panel, be careful
NOT to leave pens or any other objects in between the display panel and the keyboard.
Otherwise, the display panel may be damaged.
1
Chapter 1. Getting to know your computer
Lenovo G450
fei
a
b
c
j
h
d
g
i
2
Chapter 1. Getting to know your computer
a
b
c
d
e
f
g
h
i
j
Integrated camera
Use the camera for video communication.
(specific models
only)
Wireless module
The built-in antennas ensure optimal reception of wireless radio.
antennas (specific
models only)
Computer display
Volume buttons
The LCD display with LED backlight provides brilliant visual output.
Use these buttons to adjust volume.
(specific models
only)
OneKey Rescue
System button
Note: For details, see “Chapter 4. OneKey rescue system” on page 23.
Power button
Built-in
microphone
Touchpad
Note: For details, see “Using the touchpad” on page 12.
System status
Press this button to open OneKey Rescue System (If OneKey Rescue System has
been preinstalled) when the computer is powered off.
Press this button to turn on the computer.
The built-in microphone (with noise reduction) can be used for video
conferencing, voice narration, or simple audio recordings.
The touchpad functions as a conventional mouse.
For details, see “System status indicators” on page 16.
indicators
Speakers
The stereo speakers provide rich and powerful sound.
Read the supplied manuals before using your computer.
Connect 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.
Install the battery pack
Refer to the supplied Setup Poster to install the battery pack.
Connect the computer to an electrical outlet
1
Connect the power cord to the AC adapter.
2
Connect the AC adapter to the AC power adapter jack of the computer.
3
Plug the power cord into an electrical outlet.
Turn on the computer
Press the power button to turn on the computer.
Configure 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
9
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.
Attention:
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.
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.
You can determine the percentage of battery power remaining by using Windows Power
Options.
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.
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.
The battery is charged when the AC adapter is connected to the computer and the battery is
installed.
Charging time will depend on the usage environment.
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
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.
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.
11
Chapter 2. Learning the basics
a
b
c
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.
Notes:
• 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.
The keyboard has keys that, when enabled, work as a 10-key numeric keypad.
To enable or disable the numeric keypad, press Fn+Insert.
G550
The keyboard has a separate numeric keypad. To enable or disable the numeric keypad, press
the Num Lock key.
Note: The indicator will light on if the numeric keypad is enabled.
13
Chapter 2. Learning the basics
a
b
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 .
b
a
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:Shift to other connected display devices.
Fn + F4:Open the interface for display resolution settings.
Fn + F5:
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 + Insert (G450)Enable/Disable the numeric keypad.
Fn + DeleteEnable/Disable the scroll lock.
Fn + PrtSc:Activate the system request.
Fn + PauseActivate the break function.
Fn + / :Increase/Decrease display brightness.
Fn + / :
Open the interface for integrated wireless devices settings (enable/
disable).
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 details on installing the security lock, please refer to the instructions
shipped with the security lock that you have purchased.
Refer to the “Left-side view” on page 4 for the location of the Kensington slot.
Notes:
• Before purchasing any security product, verify that it is compatible with this type of security keyhole.
• You are responsible for evaluating, selecting, and implementing the locking devices and security
features. Lenovo offers no comment judgement or warranty regarding the function, quality or
performance of locking devices and security features.
Using VeriFace™
VeriFace is a face recognition software which takes a digital snapshot, extracts key features of
your face, and creates a digital map that becomes the system’s “password”.
Note: The face registration and verification works best in an environment with steady and even light.
For more instructions on VeriFace, see the help file on your software.
Using passwords
Using passwords helps prevent your computer from being used by others. Once you set a
password and enable it, a prompt appears on the screen each time you power on the computer.
Enter your password at the prompt. The computer cannot be used unless you enter the correct
password.
Note: This password can be from one to seven alphanumeric characters in any combination.
For details about how to set the password, see the help to the right of the screen in BIOS setup utility.
Note: To enter BIOS setup utility, press F2 when the Lenovo logo appears during starting up your
Your computer has a wide range of built-in features and connection capabilities.
Using memory cards (not supplied)
Your computer supports the following types of memory cards:
• Secure Digital (SD) card
• MultiMediaCard (MMC)
• Memory Stick (MS)
• Memory Stick PRO (MS PRO)
• xD-Picture Card (xD)
Notes:
• Insert ONLY one card in the slot at a time.
• This card reader does not support SDIO devices (e.g. SDIO Bluetooth, etc.).
Inserting a memory card
1
Push the dummy card until you hear a click. Gently pull the dummy card out of the
memory card slot.
2
Slide the memory card in until it clicks into place.
Note: The dummy card is used for preventing dust and small particles from entering the inside of your
computer when the memory card slot is not in use. Retain the dummy card for future use.
Removing a memory card
1
Push the memory card until you hear a click.
2
Gently pull the memory card out of the memory card slot.
Note: Before removing the memory card, unable it by Windows Safely Remove Hardware utility to avoid
data corruption.
Connecting a universal serial bus (USB) device
Your computer comes with three USB ports compatible with USB devices.
Note: When using a high power consumption USB device such as USB ODD, use the external device’s
power adapter. Otherwise, the device may not be recognized, or system shut down may result.
Connecting an ExpressCard device (specific models only)
Your computer comes with an ExpressCard/34 slot used for connecting ExpressCard devices.
Note: Only use the ExpressCard/34 devices.
18
Chapter 2. Learning the basics
Inserting an ExpressCard/34 device
1
Push the dummy card until you hear a click. Gently pull the dummy card out of the
ExpressCard slot.
2
Slide the ExpressCard device in with the front label facing upward until it clicks into place.
Removing an ExpressCard/34 device
1
Push the ExpressCard device until you hear a click.
2
Gently pull the ExpressCard device out of the ExpressCard slot.
Notes:
• Before removing the ExpressCard/34 device, unable it by Windows Safely Remove Hardware utility.
• The dummy card is used for preventing dust and small particles from entering the inside of your
computer when the ExpressCard slot is not in use. Retain the dummy card for future use.
Connecting a Bluetooth enabled device (specific models only)
If your computer has an integrated Bluetooth adapter card, it can connect to and transfer data
wirelessly to other Bluetooth enabled devices, such as laptop computers, PDAs and cell phones.
You can transfer data between these devices without cables and up to 10 meters range in open
space.
Note: The actual maximum range may vary due to interference and transmission barriers. To get the best
possible connection speed, place the device as near your computer as possible.
Enabling Bluetooth communications
1
Slide the integrated wireless device switch to .
2
Press Fn + F5 to make configuration.
Note: When you do not need to use the Bluetooth function, turn it off to save battery power.
Pairing with a Bluetooth enabled device
1
Enable the Bluetooth function of the device that you need to connect to the computer.
2
Open Bluetooth Devices in the Control Panel, click Add Wireless Device, select the device
to connect, and click Next.
3
Select a pairing option, and whether to pair with or without a pairing code.
4
Pairing is completed. Files can be transferred between the device and computer.
Notes:
•
If you make a
from
• For details on pairing with Bluetooth enabled devices, refer to their instructions.
• Pairing methods may vary by operating systems.
Bluetooth
Accessories
connection from a
of
All programs
in the
Bluetooth
Start
enabled device, open
menu and then click
Bluetooth
Receive a file
File Transfer Wizard
to search other devices.
19
Chapter 2. Learning the basics
To send files from the computer to the paired device
1
Open Bluetooth File Transfer Wizard from Accessories of All programs in the Start menu.
2
Click Send a file, select the paired device where you want to save the file and click Next.
3
Select the file and send it.
To receive files from the paired wireless device to the computer
Refer to the instructions shipped with the paired devices to send files to the computer.
The files are saved in Bluetooth Exchange Folder.
Note: You can change the path of Bluetooth Exchange Folder in Control PanelÎ Bluetooth DevicesÎ
Bluetooth SettingsÎShare.
20
Chapter 3. Using the computer network
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: uses physical wiring to connect.
Wireless network technology: connect without wiring.
Wireless connection provides 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.
Wi-FiWi-Fi networks cover a small physical area, like a home, office, or small group of
WiMAXWiMAX networks connect several Wireless LAN systems to cover a metropolitan
Note: Your computer may not support all wireless connection methods.
buildings. An access point (ex. wireless router) is necessary for the connection.
area, providing high-speed broadband access without the need for cables.
Using Wi-Fi/WiMax (specific models only)
Enabling wireless connection
To enable wireless communications, do the following:
1
Slide the integrated wireless device switch to .
2
Press Fn + F5 to make configuration.
Hardware connection
Wi-Fi/WiMax network
access point*
* Not supplied.
Software configuration
Consult your Internet Service Provider (ISP) for details on how to configure your computer.
22
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