Lenovo Tablet 08622KU User Manual

IdeaPad  
Y470/Y570  
User Guide V1.0  
Read the safety notices and important tips in the  
included manuals before using your computer.  
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Contents  
Chapter 1. Getting to know your  
Enabling NVIDIA® Optimus™  
Using NVIDIA® 3D Vision™ technology  
i
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Chapter 1. Getting to know your computer  
Top view ---------------------------------------------------------------------------------------------------------------------------  
Y470  
f
g
h
i
j
k
b
a
b
c
d
e
l
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 degrees. 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
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Chapter 1. Getting to know your computer  
Y570  
f
g
h
i
j
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b
a
b
c
d
n
m
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Use the camera for video communication.  
Integrated camera  
Built-in microphone  
a
b
c
The built-in microphone (with noise reduction) can be used for video  
conferencing, voice narration, or simple audio recordings.  
The built-in antennas ensure optimal reception of wireless radio.  
Wireless module  
antennas  
d
e
The LCD display provides brilliant visual output.  
The stereo speakers provide rich and powerful sound.  
Computer display  
JBL speakers  
2
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Chapter 1. Getting to know your computer  
Press this button to turn on the computer.  
Power button  
f
g
Press this button to start OneKey Rescue system when the computer is  
powered off.  
OneKey Rescue  
system button  
System status  
indicators  
h
Use these buttons to adjust volume.  
Volume buttons  
i
j
Touch this button to select a preferred scenario mode.  
OneKey Theater  
button  
Touch this button to control the speed at which the dissipation fan spins.  
Touch this button to perform dust cleaning.  
Thermal management  
button  
k
l
The touchpad functions as a conventional mouse.  
Touchpad  
m
n
Numeric keypad  
(Y570)  
For details, see “Using NVIDIA® 3D Vision™ technology (on select  
Built-in IR Emitter  
(on select models)  
3
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Chapter 1. Getting to know your computer  
Left-side view --------------------------------------------------------------------------------------------------------------  
Y470  
a
b
c
d
f
g h  
Y570  
a
b
c
d
e
f g h  
Connects to external display devices.  
VGA port  
a
Connects to devices with HDMI input such as a TV or a display.  
Dissipate internal heat.  
HDMI port  
b
c
Fan louvers  
Note: Make sure that none of the fan louvers are blocked or else overheating of the computer may occur.  
RJ-45 port  
This port connects the computer to an Ethernet network.  
d
e
Connects to eSATA or USB devices.  
USB port or eSATA/  
USB combo port  
f
g
USB port  
Notes:  
Connects to USB devices.  
The blue port supports USB 3.0.  
Connects to external microphones.  
Microphone jack  
4
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Chapter 1. Getting to know your computer  
h
Headphone jack  
Attention:  
Connects to external headphones.  
Listening to music at high volume over extended periods of time may damage your hearing.  
5
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Chapter 1. Getting to know your computer  
Right-side view ----------------------------------------------------------------------------------------------------------  
Y470  
a
c
d
e
f
Y570  
d
b
c
e
f
a
Connects to eSATA or USB devices.  
USB port or eSATA/  
USB combo port  
Attach an external TV antenna here.  
TV-in jack  
b
(on select models)  
c
d
Reads/Burns optical disks.  
Connects to USB devices.  
Optical drive  
USB port  
Notes:  
The blue port supports USB 3.0.  
Connect the AC adapter here.  
AC power adapter  
jack  
e
f
Attach a security lock (not supplied) here.  
Kensington slot  
6
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Chapter 1. Getting to know your computer  
Front view -----------------------------------------------------------------------------------------------------------------------  
Y470  
a
b
c
d
Y570  
a
b
c
d
System status  
a
indicators  
b
c
Insert memory cards (not supplied) here.  
Memory card slot  
Slide and release this switch to enable or disable NVIDIA Optimus.  
GPU (Graphics  
Processing Unit)  
switch (on select  
models)  
Use this switch to turn on/off the wireless radio of all wireless devices on  
your computer.  
Integrated wireless  
device switch  
d
7
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Chapter 1. Getting to know your computer  
Bottom view ------------------------------------------------------------------------------------------------------------------  
Y470  
a
b
c
d
8
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Chapter 1. Getting to know your computer  
Y570  
a
b
c
d
a
The spring-loaded battery latch keeps the battery pack secured in place.  
Battery latch - spring  
loaded  
b
c
d
Battery pack  
The manual battery latch is used to keep the battery pack secured in place.  
Battery latch - manual  
Hard disk drive  
(HDD) / Memory / Mini  
PCI Express Card slot  
compartment  
9
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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  
1
2
3
Connect the power cord to the AC adapter.  
Connect the AC adapter to the AC power adapter jack of the computer firmly.  
Plug 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 operating 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.  
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.  
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.  
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Chapter 2. Learning the basics  
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.  
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.  
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 86 °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.  
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.  
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Chapter 2. Learning the basics  
Using the touchpad ------------------------------------------------------------------------------------------------------  
a
b
a
b
To move the cursor on the screen, slide your fingertip over  
the pad in the direction in which you want the cursor to  
move.  
Touchpad  
The function of the left/right side corresponds to that of the  
left/right mouse button on a conventional mouse.  
Touchpad button  
Notes:  
You can enable/disable the touchpad using Fn + F6.  
When the touchpad indicator is lit, the touchpad is disabled.  
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Chapter 2. Learning the basics  
Using the keyboard------------------------------------------------------------------------------------------------------  
Your computer has a numeric keypad and function keys incorporated in its standard keyboard.  
Numeric keypad  
Y470  
The keyboard has keys that, when enabled, work as a 10-key numeric keypad. To enable or  
disable the numeric keypad, press Fn + F8.  
Y570  
The keyboard has a separate numeric keypad. To enable or disable the numeric keypad, press  
the Num Lock key.  
Note: The Num lock indicator will light on if the numeric keypad is enabled.  
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Chapter 2. Learning the basics  
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  
.
a
b
b
a
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Chapter 2. Learning the basics  
The following describes the features of each function key.  
Fn + Esc:  
Fn + F1:  
Fn + F2:  
Turn on/off the integrated camera.  
Enter sleep mode.  
Turn on/off the backlight of the LCD screen.  
Open the interface for the display device switch to select this notebook  
or an external display.  
Fn + F3:  
Fn + F4:  
Open the interface for display resolution settings.  
Open the interface for integrated wireless devices settings (on/off).  
Enable/Disable the touchpad.  
Fn + F5:  
Fn + F6:  
Fn + F8 (Y470):  
Fn + F9:  
Enable/Disable the numeric keypad.  
Start/Pause playback of Windows Media Player.  
Stop playback of Windows Media Player.  
Skip to the previous track.  
Fn + F10:  
Fn + F11:  
Fn + F12:  
Skip to the next track.  
Fn + Insert (Y570):  
Fn + PgUp (Y470):  
Enable/Disable the scroll lock.  
Fn + PrtSc:  
Fn + Home:  
Fn + End:  
Activate the system request.  
Activate the pause function.  
Activate the break function.  
Fn + PgDn (Y470):  
Fn + / :  
Activate the insert function.  
Increase/Decrease display brightness.  
Increase/Decrease sound volume.  
Fn + / :  
Fn + Space  
(on select models):  
Enable/Disable the keyboard backlight.  
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Chapter 2. Learning the basics  
Connecting external devices -----------------------------------------------------------------------------------  
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  
• Secure Digital PRO (SD PRO) card  
• MultiMediaCard (MMC)  
• Memory Stick (MS)  
• Memory Stick PRO (MS PRO)  
• xD-Picture (xD) card  
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.  
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.  
2
Slide the memory card in until it clicks into place.  
Removing a memory card  
1
2
Push the memory card until you hear a click.  
Gently pull the memory card out of the memory card slot.  
Note: Before removing the memory card, disable it via Windows safely remove hardware and eject media  
utility to avoid data corruption.  
Connecting a universal serial bus (USB) device  
Your computer comes with three USB ports and an eSATA/USB port compatible with USB  
devices or four 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, and system shut down may result.  
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Chapter 2. Learning the basics  
Connecting a Bluetooth device  
If your computer has an integrated Bluetooth adapter card, it can connect to and transfer data  
wirelessly to other Bluetooth enabled devices, such as notebook 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 on your computer  
1
2
Slide the integrated wireless device switch from  
to  
.
Press Fn + F5 to make configuration.  
Notes:  
When you do not need to use the Bluetooth function, turn it off to save battery power.  
You need to pair the Bluetooth enabled device with your computer before you can transfer data  
between them. Read the documentation supplied with the Bluetooth enabled device for details on how  
to pair the device with your computer.  
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Chapter 2. Learning the basics  
Special keys and buttons ------------------------------------------------------------------------------------------  
b
c
d
e
f
a
OneKey Rescue system button  
a
When the computer is powered-off, press this button to start Lenovo OneKey Rescue system.  
In Windows operating system, press this button to start Lenovo OneKey Recovery system.  
Volume buttons  
-
b d  
Mute/Unmute  
Volume down  
Volume up  
b
c
d
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Chapter 2. Learning the basics  
OneKey Theater button  
e
Lenovo OneKey Theater provides five scenario modes for using your computer in different  
ways: normal mode, movie mode, music mode, picture mode, and intelligent mode. These  
modes are preset enhancements by Lenovo to improve visual and aural experiences via your  
computer in different usage scenarios. You can manually choose between normal, movie and  
intelligent mode. Picture or music mode is automatically selected if your computer is in  
intelligent mode.  
To manually select a desired mode:  
1
2
Press and release the OneKey Theater button to display the on-screen menu.  
Keep pressing and releasing the button until the icon of your desired mode is highlighted.  
The computer switches to the selected mode after 2 seconds.  
Normal mode  
The default mode.  
Movie mode  
Provides enhanced visual and audio output.  
Music mode  
Provides enhanced audio output.  
Picture mode  
Provides enhanced contrast and color saturation.  
Intelligent mode  
Lenovo OneKey Theater switches intelligently between movie mode, music mode, and picture  
mode according to the application you are using.  
Notes:  
You can enable or disable the OneKey Theater feature via the Start menu.  
Some applications may not be compatible with intelligent mode.  
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Chapter 2. Learning the basics  
Thermal management button  
f
The thermal management button can be used to switch the computer between different work  
modes and thus control the speed at which the heat dissipation fan spins. You can choose  
between standard, super silent, or efficient thermal dissipation mode. You can also activate the  
dust cleaning feature by pressing and releasing the thermal control button.  
Standard mode  
Standard mode is the factory default mode. It is the recommended work mode for most  
programs.  
Super silent mode  
If your computer is not running large programs and you want a silent work environment,  
switch your computer to super silent mode. To switch to super silent mode, repeatedly press the  
thermal management button until  
mode after three seconds.  
is highlighted. The computer will switch to super silent  
Note: The heat dissipation fan spins at relatively low speeds in super silent mode, and thus dissipates less  
heat than in other modes. If large programs are running, the system may lower the voltage of the  
CPU (central processing unit) automatically to decrease the heat produced by the CPU.  
Consequently, you might experience lower system performance when the computer is running in  
super silent mode.  
Efficient thermal dissipation mode  
If large programs are running, switch your computer to efficient thermal dissipation mode to  
allow more efficient thermal dissipation. To switch to efficient thermal dissipation mode,  
repeatedly press the thermal management button until  
is highlighted.  
Performing dust cleaning  
Dust tends to accumulate around the heat sink of the computer’s CPU over time, reducing the  
dissipation capability of the heat sink. You can reduce the amount of accumulated dust by  
performing dust cleaning. To perform dust cleaning, repeatedly press the thermal management  
button until  
is highlighted. Dust cleaning will start after three seconds.  
When dust cleaning is activated, the heat dissipation fan spins at high and low speed  
alternatively to allow dust to be discharged. A complete dust cleaning process takes several  
minutes to complete. You can cancel the process at any time by switching the computer to  
standard, super silent or efficient thermal dissipation mode.  
Upon completion, the computer returns to the previous mode when dust cleaning was  
activated.  
Note: We recommend you perform dust cleaning at least once a month to reduce the amount of dust  
accumulation around the heat sink. Place your computer in a clean environment with good  
ventilation when performing dust cleaning.  
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Chapter 2. Learning the basics  
System status indicators------------------------------------------------------------------------------------------  
These indicators inform you of the computer status.  
a
b
c
d
e
f
g
h
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Chapter 2. Learning the basics  
a
b
c
d
e
f
g
h
Caps lock indicator  
Num lock indicator  
Hard disk drive indicator  
Touchpad indicator  
Power status indicator  
Battery status indicator  
Wireless communication indicator  
GPU switch indicator (on select models)  
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Chapter 2. Learning the basics  
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 details on installing the security lock, please refer to the instructions  
shipped with the security lock that you have purchased.  
Refer to the “Right-side view” on page 6 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”.  
If you want to activate VeriFace for the first time, click the VeriFace icon on the desktop to  
register your facial image.  
Notes:  
The face registration and verification works best in an environment with steady and even light.  
You can determine whether to use this function when you log on the system.  
For more details on VeriFace, see the software help.  
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 on the screen while the  
computer is starting up.  
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Chapter 2. Learning the basics  
®
Enabling NVIDIA Optimus™ (on select models)-----------------------------------------  
Optimus is a GPU switching mechanism which automatically switches the active GPU to  
perform image-rendering tasks. If no graphics-intensive programs are running, the integrated  
GPU will be selected as the active GPU to preserve battery life; if you start high-definition  
movie playback or a 3D game, the image-rendering task is automatically switched by Optimus  
to the discrete GPU to produce high graphics performance.  
Check the GPU indicator: if the indicator is off, slide and release the GPU switch to enable  
Optimus.  
When Optimus is enabled, switching between integrated and discrete GPUs is performed  
automatically without user intervention. However, you can customize settings through the  
NVIDIA control panel to make the desired GPU active to perform image-rendering tasks for  
certain programs. For details, search for Optimus in the help system of the NVIDIA control  
panel.  
Notes:  
Optimus is not supported by all operating systems. Currently, Optimus is supported by Windows® 7. If  
you are using another operating system, such as Windows® XP, it may not be able possible to enable  
Optimus.  
Optimus is not supported by all media players and video compression standards.  
If your computer is running a graphics-intensive game, it is recommended to connect the AC adapter  
to your computer.  
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Chapter 2. Learning the basics  
®
Using NVIDIA 3D Vision™ technology (on select models) ------------------  
3D Vision is a technology devised by NVIDIA, which delivers an immersive 3D experience on  
your PC or workstation.  
Any computer with a built-in IR emitter can communicate directly with the 3D Vision glasses.  
Using 3D Vision on your computer  
Enabling 3D Vision  
To enable 3D Vision, do the following:  
1
Open Enable 3D Vision in the path of  
All Programs NVIDIA Corporation 3D  
Vision Enable 3D Vision. Initial setup is required the first time you use the 3D Vision.  
2
Press the ON button to turn on the glasses. Press Ctrl + T to turn on the built-in IR emitter  
of the computer.  
Notes:  
The 3D Vision Photo Viewer shortcut will appear on the desktop when 3D Vision is enabled.  
PowerDVD is recommended for 3D video playback.  
For details on settings and further information on the 3D Vision glasses and built-in IR emitter, refer to  
the supplied 3D VISIONQUICK START GUIDE and 3D VISIONUSER GUIDE.  
Regarding attention to safety and epilepsy, refer to the supplied 3D VISIONUSER GUIDE.  
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Chapter 3. Connecting to 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 ----------------------------------------------------------------------------------------------------------  
Wired connections are a reliable and safe way to connect the computer to the Internet.  
Cable  
Cable Internet services use a cable modem connected to the  
residential cable TV line.  
DSL  
DSL is a family of related technologies that bring high-speed  
network access to homes and small businesses over ordinary  
telephone lines.  
Hardware connection  
Cable  
DSL  
TV cable  
Telephone line  
Splitter *  
Splitter *  
*
*
Cable modem *  
DSL modem *  
*
*
* Not supplied.  
Note: The above diagrams are for reference only. Actual connection method may vary.  
Software configuration  
Consult your Internet Service Provider (ISP) for details on how to configure your computer.  
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Chapter 3. Connecting to the Internet  
Wireless connection----------------------------------------------------------------------------------------------------  
Wireless connections provide mobile access to the Internet, allowing you to stay online  
anywhere the wireless signal covers.  
Divided by the signal scales, wireless connection to the Internet can be built based on the  
following standards.  
Wi-Fi  
Wi-Fi networks cover a small physical area, like a home, office,  
or small group of buildings. An access point is necessary for the  
connection.  
WiMAX  
WiMAX networks connect several Wireless LAN systems to  
cover a metropolitan area, providing high-speed broadband  
access without the need for cables.  
Note: Your computer may not support all wireless connection methods.  
Using Wi-Fi/WiMAX  
Enabling wireless connection  
To enable wireless communications, do the following:  
1
2
Slide the integrated wireless device switch from  
to  
.
Press Fn + F5 to make configuration.  
Hardware connection  
Access point *  
Wi-Fi/WiMAX network  
* Not supplied  
Software configuration  
Consult your Internet Service Provider (ISP) and search Windows Help and Support Center for  
details on how to configure your computer.  
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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 Rescue system  
without starting the Windows operating system.  
Attention:  
In order to utilize the features of the OneKey Rescue system, your hard disk already includes a  
hidden partition by default to store the system image file and OneKey Rescue system program  
files. This default partition is hidden for security reasons and is the reason the available disk  
space is less than it claims. The exact available hard disk space depends on the file size of the  
mirror image file (based on the size of operating system and preinstalled software).  
Using Lenovo OneKey Recovery (within Windows operating system)  
In Windows operating system, double click the OneKey Recovery system Icon on the desktop to  
launch Lenovo OneKey Recovery.  
Within the program, you can back up the system partition on the hard disk drive, other storage  
devices, or by creating recovery discs.  
Notes:  
The backup process and creation of recovery discs may take some time, connect the AC adapter and  
battery pack to your computer.  
After the recovery discs are burned, please number them so that you can use them in the correct order.  
Computers without an integrated optical drive support the creation of recovery discs; however an  
appropriate external optical drive is needed to physically create the recovery discs.  
For more instructions, see the Help file of Lenovo OneKey Recovery.  
Using Lenovo OneKey Rescue system (without Windows operating system)  
In the event that the operating system cannot be loaded, follow the steps below to access  
OneKey Rescue system.  
• Shut down your computer.  
• Press the  
key to launch OneKey Rescue system.  
Within the program, you can choose to restore your system partition to the original factory  
status, or to a previously generated backup.  
Note: The recovery process is irreversible. Make sure to back up any critical data before using the recovery  
feature.  
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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 IdeaPad Y470/Y570  
Setup Poster.  
What safety precautions should I follow when using my computer?  
See “Chapter 1. Important safety information” of Lenovo Safety and General Information Guide.  
How can I prevent problems with my computer?  
See “Chapter 2. Use and care Information” of Lenovo Safety and General Information Guide.  
What are the main hardware features of my computer?  
More information can be found in Chapter 1 and 2.  
Where can I find the detailed specifications for my computer?  
I need to upgrade a device or I need to replace one of the following: the hard disk drive, memory,  
or the keyboard.  
Where are the recovery discs?  
Your computer did not come with a recovery disc. For an explanation of the alternative  
recovery methods offered by Lenovo, see “Chapter 4. OneKey Rescue system” on page 29.  
How can I contact the customer support center?  
See " Chapter 3. Getting help and service" of Lenovo Safety and General Information Guide.  
Where can I find warranty information?  
For the warranty applicable to your computer, including the warranty period and type of  
warranty service, see the Lenovo limited warranty flyer that came with your computer.  
How can I install the device drivers?  
A compatible device driver is a requirement to ensure correct operation and performance of  
each component in your computer. If your computer is pre-installed with an operating  
system, Lenovo provides all drivers that you need in your hard disk.  
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:  
1
2
Close other applications, then restart the backup process.  
Check if the destination media is damaged, try to select another path and then try again.  
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Chapter 5. Troubleshooting  
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. This will restore your computer back to the initial status when you first booted up  
your computer after receiving it from the store. If there is critical data on your current  
partition, back it up before you run this recovery feature.  
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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 appears on the screen.  
If the screen is blank, make sure that:  
- The battery is installed correctly.  
- The AC adapter is connected to the computer and the power cord  
is plugged into a working electrical outlet.  
- The computer power is on. (Press the power button again for  
confirmation.)  
- The memory is installed correctly.  
If these items are properly set, and the screen remains blank, have  
the computer serviced.  
When I turn on the computer, only a  
white cursor appears on a blank  
screen.  
Restore backed-up files to your Windows environment or the entire  
contents of your hard disk to the original factory contents using  
OneKey Recovery. If you still see only the cursor on the screen, have  
the computer serviced.  
My screen goes blank while the  
computer is on.  
Your screen saver or power management may be enabled. Do one of  
the following to exit from the screen saver or to resume from sleep or  
hibernation mode:  
- Touch the touchpad.  
- Press any key on the keyboard.  
- Press the power button.  
Press Fn + F2 to confirm whether the LCD screen has been turned  
off.  
A Password problem  
I forgot my password.  
If you forget your user password, you must take your computer to a  
Lenovo authorized servicer or a marketing representative to have  
the password changed.  
If you forget your HDD password, a Lenovo authorized servicer  
cannot reset your password or recover data from the hard disk. You  
must take your computer to a Lenovo authorized servicer or a  
marketing representative to have the hard disk drive replaced. Proof  
of purchase is required, and a fee will be charged for parts and  
service.  
If you forget your supervisor password, a Lenovo authorized  
servicer cannot reset your password. You must take your computer  
to a Lenovo authorized servicer or a marketing representative to  
have the system board replaced. Proof of purchase is required, and a  
fee will be charged for parts and service.  
Keyboard problems  
A number appears when you enter  
a letter (Y470).  
The numeric lock function is on. To disable it, press Fn + F8.  
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Chapter 5. Troubleshooting  
Sleep or hibernation problems  
The critical low-battery error  
message appears, and the  
computer immediately turns off.  
The battery power is getting low. Connect the AC adapter to the  
computer, or replace the battery with a fully charged one.  
The computer enters sleep mode  
immediately after Power-on self-test  
(POST).  
Make sure that:  
- The battery is charged.  
- The operating temperature is within the acceptable range. See  
“Chapter 2. Use and care Information” of Lenovo Safety and General  
Information Guide.  
Note: If the battery is charged and the temperature is within range, have the computer serviced.  
The computer does not return from  
sleep mode and the computer does  
not work.  
If the computer does not return from sleep mode, it may have  
entered hibernation mode automatically because the battery is  
depleted. Check the power indicator.  
If your computer is in sleep mode, connect the AC adapter to the  
computer, then press any key or the power button.  
If your computer is in hibernation mode or power-off state, connect  
the AC adapter to the computer, then press the power button to  
resume operation.  
Note: If the system still does not return from sleep mode, your system has stopped responding, and you  
cannot turn off the computer; reset the computer. Unsaved data may be lost. To reset the computer, press  
and hold the power button for 4 seconds or more. If the computer is still not reset, remove the AC  
adapter and the battery.  
Computer screen problems  
The screen is blank.  
Do the following:  
- If you are using the AC adapter, or using the battery, and the  
battery status indicator is on, press Fn + to make the screen  
brighter.  
- If the power indicator is in blinking, press the power button to  
resume from the sleep mode.  
- If the problem persist, follow the solution in the following problem  
“The screen is unreadable or distorted.”  
- Press Fn + F2 to confirm whether the LCD screen has been turned  
off.  
The screen is unreadable or  
distorted.  
Make sure that:  
- The display device driver is installed correctly.  
- The screen resolution and color quality are correctly set.  
- The monitor type is correct.  
Incorrect characters appear on the  
screen.  
Did you install the operating system or application program  
correctly? If they are installed and configured correctly, have the  
computer serviced.  
Sound problems  
No sound can be heard from the  
speaker even when the volume is  
turned up.  
Make sure that:  
- The Mute function is off.  
- The headphone jack is not used.  
- Speakers are selected as the playback device.  
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Chapter 5. Troubleshooting  
Battery problems  
Your computer shuts down before  
the battery status indicator shows  
empty.  
Discharge and recharge the battery.  
-or-  
Your computer operates after the  
battery status indicator shows  
empty.  
The operating time for a fully  
charged battery is short.  
The computer does not operate with  
a fully charged battery.  
The surge protector in the battery might be active. Turn off the  
computer for one minute to reset the protector; then turn on the  
computer again.  
The battery does not charge.  
A hard disk drive problem  
The hard disk drive does not work.  
In the Boot menu in BIOS setup utility, make sure that the hard disk  
drive is included in the Boot Device Priority correctly.  
A startup problem  
The Microsoft® Windows operating  
system does not start.  
Use the OneKey Rescue system to help solve or identify your  
problem. For details about OneKey Rescue system, see “Chapter 4.  
OneKey Rescue system problems  
Backup cannot be made.  
You are not currently using a Windows operating system.  
There is not enough space to store the backed up data. You will need  
to free more hard disk space on your system partition (C drive).  
Fail to restore system partition to  
factory default.  
The system partition, such as the partition size or the drive capacity  
of C, has been modified.  
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Chapter 5. Troubleshooting  
Other problems  
Your computer does not respond.  
To turn off your computer, press and hold the power button for 4  
seconds or more. If the computer still does not respond, remove the  
AC adapter and the battery.  
Your computer might lock when it enters sleep mode during a  
communication operation. Disable the sleep timer when you are  
working on the network.  
The computer does not start from a  
device you want.  
See the Boot menu of the BIOS setup utility. Make sure that the Boot  
Device Priority in the BIOS setup utility is set so that the computer  
starts from the device you want.  
Also make sure that the device from which the computer starts is  
enabled. In the Boot menu in the BIOS setup utility, make sure that  
the device is included in the Boot Device Priority list.  
Press F12 when the Lenovo logo appears on the screen while the  
computer is starting up to select the device you want the computer  
starts from.  
The connected external device does  
not work.  
Do not connect or disconnect any external device cables other than  
USB while the computer power is on; otherwise, you might damage  
your computer.  
When using a high power consumption external devices such as an  
external USB optical disk drive, use external device power adapter.  
Otherwise, the device may not be recognized, or system shut down  
may result.  
For more technical support, please visit consumer product website  
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Appendix. CRU instructions  
Notes:  
The illustrations used in this chapter are of the Lenovo IdeaPad Y570, unless otherwise stated.  
The following steps about upgrading and replacing devices are the same for the Y470 and Y570.  
Replacing the battery ---------------------------------------------------------------------------------------------------  
Note: Use only the battery provided by Lenovo. Any other battery could ignite or explode.  
To replace the battery, do the following:  
1
Turn off the computer, or enter hibernation mode. Disconnect the AC adapter and all cables  
from the computer.  
2
3
Close the computer display, and turn the computer over.  
Unlock the manual battery latch  
. Holding the spring-loaded battery latch in the  
a
unlocked position  
, remove the battery pack in the direction shown by the arrow  
.
b
c
1
b
c
a
4
5
6
Install a fully charged battery.  
Slide the manual battery latch to the locked position.  
Turn the computer over again. Connect the AC adapter and the cables to the computer  
again.  
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Appendix. CRU instructions  
Replacing the hard disk drive ----------------------------------------------------------------------------------  
You can increase the storage capacity of your computer by replacing the hard disk drive with  
one of greater capacity. You can purchase a new hard disk drive from your reseller or Lenovo  
marketing representative.  
Notes:  
Replace the hard disk drive only if you upgrade it or have it repaired. The connectors and bay of the hard  
disk drive were not designed for frequent changes, or drive swapping.  
The preinstalled software are not included on an optional hard disk drive.  
Handling a hard disk drive  
Do not drop the drive or subject it to physical shocks. Put the drive on a material, such as  
soft cloth, that absorbs the physical shock.  
Do not apply pressure to the cover of the drive.  
Do not touch the connector.  
The drive is very sensitive. Incorrect handling can cause damage and permanent loss of data on  
the hard disk. Before removing the hard disk drive, make a backup copy of all the information  
on the hard disk, and then turn the computer off. Never remove the drive while the system is  
operating, in sleep mode, or in hibernation mode.  
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Appendix. CRU instructions  
To replace the hard disk drive, do the following:  
1
2
3
4
Turn off the computer; then disconnect the AC adapter and all cables from the computer.  
Close the computer display, and then turn the computer over.  
Remove the battery pack.  
Remove the Hard disk drive (HDD)/Memory/Mini PCI Express Card slot compartment  
cover.  
a. Loosen the screws that secure the compartment cover  
.
a
b. Remove the compartment cover  
.
b
a
b
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Appendix. CRU instructions  
c
5
Remove the frame fixing screws  
.
c
c
6
Pull the tab in the direction shown by arrow  
.
d
d
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Appendix. CRU instructions  
7
Take out the hard disk drive secured in a metal frame  
.
e
e
8
9
0
Remove the screws and detach the metal frame from the hard disk drive.  
Attach the metal frame to a new hard disk drive and tighten the screws.  
Put the hard disk drive gently into the hard disk drive bay with the tab facing upwards and  
the connectors facing each other; then push it firmly into space.  
A
B
C
D
Reinstall the frame fixing screws.  
Reinstall the compartment cover and tighten the screws.  
Reinstall the battery pack.  
Turn the computer over again. Connect the AC adapter and the cables to the computer  
again.  
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Appendix. CRU instructions  
Replacing memory---------------------------------------------------------------------------------------------------------  
You can increase the amount of memory in your computer by installing a double-data-rate three  
synchronous dynamic random access memory (DDR3 SDRAM)-available as an option-in the  
memory slot of your computer. DDR3 SDRAMs are available in various capacities.  
Note: Use only the memory types supported by your computer. If you incorrectly install optional memory,  
or install an unsupported memory type, a warning beep will sound when you try to start the  
computer.  
To install a DDR3 SDRAM, do the following:  
1
Touch a metal table or a grounded metal object to reduce any static electricity in your body,  
which could damage the DDR3 SDRAM. Do not touch the contact edge of the DDR3  
SDRAM.  
2
3
4
5
Turn off the computer. Disconnect the AC adapter and all cables from the computer.  
Close the computer display, and turn the computer over.  
Remove the battery pack.  
Remove the Hard disk drive (HDD)/Memory/Mini PCI Express Card slot compartment  
cover.  
a. Loosen the screws that secure the compartment cover  
.
a
b. Remove the compartment cover  
.
b
a
b
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Appendix. CRU instructions  
6
If two DDR3 SDRAMs are already installed in the memory slot, remove one of them to  
make room for the new one by pressing out on the latches on both edges of the socket at the  
same time. Be sure to save the old DDR3 SDRAM for future use.  
a
a
b
7
8
Align the notch of the DDR3 SDRAM with the protrusion of the socket and gently insert the  
DDR3 SDRAM into the socket at a 30-45° angle.  
Push the DDR3 SDRAM inward toward the socket until the latches on both edges of the  
socket are pushed into the closed position.  
b
a
9
0
A
Reinstall the compartment cover and tighten the screws.  
Reinstall the battery pack.  
Turn the computer over again. Connect the AC adapter and the cables to the computer  
again.  
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Appendix. CRU instructions  
Note: If only one DDR3 SDRAM is used on the computer you are servicing, the card must be installed in  
SLOT-0 ( : lower slot), but not in SLOT-1 ( : upper slot).  
To make sure that the DDR3 SDRAM is installed correctly, do as follows:  
1
2
Turn the computer on.  
Hold F2 during startup. The BIOS setup utility screen opens. The System Memory item  
shows the total amount of memory installed in your computer.  
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Appendix. CRU instructions  
Removing the optical drive----------------------------------------------------------------------------------------  
To remove the optical drive, do the following:  
1
Remove the Hard disk drive (HDD)/Memory/Mini PCI Express Card slot compartment  
cover.  
a
2
3
Remove the screw shown in the illustration  
Gently pull the optical drive out  
.
.
b
b
a
The following table provides a list of CRUs (Customer Replaceable Units) for your computer,  
and informs you of where to find replacement instructions.  
Setup Poster  
User Guide  
AC adapter  
O
O
O
Power cord for AC adapter  
Battery  
O
O
O
O
O
Bottom access doors  
Hard disk drive  
Memory  
Optical drive  
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Trademarks  
The following terms are trademarks or registered trademarks of Lenovo in the United States, other  
countries, or both.  
Lenovo  
IdeaPad  
OneKey  
VeriFace  
Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other  
countries, or both.  
NVIDIA and Optimus are trademarks and/or registered trademarks of NVIDIA Corporation in the  
United States and other countries.  
is a trademark of SRS Labs, Inc.  
Premium Surround Sound technology is incorporated under license from SRS Labs, Inc.  
SRS Premium Surround Sound™ provides the ultimate audio experience for music, movies and  
games on the PC.  
Other company, products, or service names may be trademarks or service marks of others.  
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New World. New Thinking.TM  
V1.0_en-US  
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