IdeaPad Z475/Z575
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
Chapter 4. OneKey Rescue
Appendix A. CRU
Chapter 2. Learning the
Chapter 3. Connecting to the
i
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Chapter 1. Getting to know your computer
„ Z575
e
f
g
h
i
j
a
b
c
d
k
l
g
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.
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Chapter 1. Getting to know your computer
Use the camera for video communication.
Integrated
camera
a
b
The built-in antennas ensure optimal reception of wireless
radio.
Wireless module
antennas
The computer display with LED backlight provides
brilliant visual output.
Computer display
c
d
The stereo speakers provide rich and powerful sound.
Speakers
e
f
Press this button to turn on the computer.
Power button
Press this button to start OneKey Rescue system when the
computer is powered off.
OneKey Rescue
system button
System status
indicators
g
Use these buttons to adjust volume.
Volume buttons
h
i
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
j
The built-in microphone (with noise reduction) can be
used for video conferencing, voice narration, or simple
audio recordings.
Built-in
microphone
k
l
The touchpad functions as a conventional mouse.
Touchpad
3
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Chapter 1. Getting to know your computer
Left-side view --------------------------------------------------------------------------------------
„ Z475
a
c
d
e
f
g
h
„ Z575
a
c
d
f
g
h
b
a
b
Kensington slot
Attach a security lock (not supplied) here.
Connect the AC adapter here.
AC power adapter
jack
c
Fan louvers
Dissipate internal heat.
Note: Make sure that none of the fan louvers are blocked or else overheating of the
computer may occur.
d
e
VGA port
RJ-45 port
Connects to external display devices.
This port connects the computer to an Ethernet network.
Connects to devices with HDMI input such as a TV or a
display.
HDMI port
f
4
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Chapter 1. Getting to know your computer
eSATA/USB
combo port
g
h
Connects to eSATA or USB devices.
USB port
Connects to USB devices.
5
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Chapter 1. Getting to know your computer
Right-side view ----------------------------------------------------------------------------------
„ Z475
a
b
d
c
d
e
„ Z575
c
a
b
d
d
f
a
b
Connects to external headphones.
Headphone jack
ꢀ Attention:
•
Listening to music at high volume over extended periods of time may damage your
hearing.
Connects to external microphones.
Microphone jack
Reads/Burns optical discs.
Connects to USB devices.
c Optical drive
d
e
USB port
Connect the AC adapter here.
AC power adapter
jack
6
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Chapter 1. Getting to know your computer
f
RJ-45 port
This port connects the computer to an Ethernet network.
7
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Chapter 1. Getting to know your computer
Front view -----------------------------------------------------------------------------------------------
a
b
Slide this switch to turn on or turn off the wireless radio
of all wireless devices on your computer.
Integrated
wireless device
switch
a
b
Insert memory cards (not supplied) here.
Memory card slot
8
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Chapter 1. Getting to know your computer
„ Z575
d
b
c
a
The manual battery latch is used to keep the battery pack
secured in place.
Battery latch -
manual
a
b
c
Battery pack
Hard disk drive /
Memory / Central
processing unit /
Mini PCI Express
Card slot
compartment
The spring-loaded battery latch keeps the battery pack
secured in place.
Battery latch -
spring loaded
d
10
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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
Connect the power cord to the AC adapter.
Connect the AC adapter to the AC power adapter jack of the computer
firmly.
3
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
menu.
and select Shut down from the Start
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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.
13
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Chapter 2. Learning the basics
„ 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.
14
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Chapter 2. Learning the basics
Using the touchpad -------------------------------------------------------------------------------
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
a
b
The function of the left/right side corresponds
to that of the left/right mouse button on a
conventional mouse.
Touchpad button
Note: You can enable/disable the touchpad using Fn + F6. When the touchpad indicator is
lit, the touchpad is disabled.
15
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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
Z475
The keyboard has keys that, when enabled, work as a 10-key numeric
keypad. To enable or disable the numeric keypad, press Fn + F8.
Z575
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 a; then press one of the
function keys
.
b
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:
Fn + F5:
Open the interface for display resolution settings.
Open the interface for integrated wireless devices
settings (On/Off).
Fn + F6:
Enable/Disable the touchpad.
Fn + F8 (Z475):
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 (Z575):
Fn + PgUp (Z475):
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 (Z475):
Fn + ↑ / ↓:
Activate the insert function.
Increase/Decrease display brightness.
Increase/Decrease sound volume.
Fn + → / ←:
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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
• 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.
19
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Chapter 2. Learning the basics
„ Connecting USB devices
You can connect a USB device to your computer by inserting its USB plug
(Type A) into the USB port (or eSATA/USB combo port) on your computer.
Model
Number of USB port
Number of eSATA/USB
combo port
Z475, Z575
3
1
The first time you plug a USB device into a particular USB port on your
computer, Windows automatically installs a driver for that device. After the
driver is installed, you can disconnect and reconnect the device without
performing any additional steps.
Note: Typically, Windows detects a new device after connecting it, and then installs the
driver automatically. However, some devices may require you to install the driver
before connecting. Check the documentation provided by the device’s manufacturer
before connecting the device.
Before disconnecting a USB storage device, make sure your computer has
finished transferring data by that device. Click the Safely Remove Hardware
icon in the notification area of Windows to remove the device before
disconnecting.
Note: If your USB device uses a power cord, connect the device to a power source before
connecting it. Otherwise, the device may not be recognized.
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Chapter 2. Learning the basics
„ Connecting Bluetooth enabled devices (on select models)
If your computer has an integrated Bluetooth adapter card, it can connect to
and transfer data wirelessly with 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
Press Fn + F5 to make configuration.
to
.
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.
21
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Chapter 2. Learning the basics
Special keys and buttons -------------------------------------------------------------------
a
b
c
d
e
f
„ 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
e
„ OneKey Theater button
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:
• 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
Automatically switch your computer between movie, music, and picture
mode according to the program that is running.
Notes:
•
•
You can enable or disable the OneKey Theater feature via the Start menu.
Some programs 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
highlighted. The computer will switch to super silent mode after three
seconds.
is
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.
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Chapter 2. Learning the basics
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
highlighted. Dust cleaning will start after three seconds.
is
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.
25
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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
a
Caps lock indicator
b
Num lock indicator
Hard disk drive indicator
Touchpad indicator
c
d
e
f
g
Power status indicator
Battery status indicator
Wireless communication indicator
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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.
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.
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Chapter 2. Learning the basics
„ 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 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.
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Chapter 3. Connecting to the Internet
„ 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.
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Chapter 3. Connecting to the Internet
„ Using Wi-Fi/WiMAX (on select models)
Enabling wireless connection
To enable wireless communications, do the following:
1
2
Slide the integrated wireless device switch from
Press Fn + F5 to make configuration.
to
.
Hardware connection
Wi-Fi/WiMAX network
Access point *
* 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 program 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.
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Chapter 4. OneKey Rescue system
„ 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.
„ Creating a recovery disc(s)
Your computer does not ship with a recovery disc. You can use Lenovo
OneKey Recovery system to create a recovery disc(s), which can be used to
start and restore your computer in case of a system failure.
To create a recovery disc(s):
• Insert a recordable disc into the optical drive on your computer.
Note: If your computer does not come with an integrated optical drive or if the integrated
optical drive does not support disc creating, connect an appropriate external optical
drive to your computer.
• In Windows, press the OneKey Rescue system button to launch Lenovo
OneKey Recovery system.
• On the main screen, click Create Recovery Disc.
• Choose the type of recovery disc(s). You can create three types of recovery
disc(s): recovery disc(s) with existing backup image, recovery disc(s) from
the current system partition, and factory default recovery disc(s). Select the
type of recovery disc you want to create and follow the on-screen
instructions.
• Insert additional recordable disc(s) when prompted.
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Chapter 4. OneKey Rescue system
Notes:
•
The estimated number of discs needed will be displayed before the process of creating the
recovery disc(s) begins. To minimize the number of discs needed, use recordable DVDs as
the media. Also make sure your optical drive is compatible with the disc intended for use.
After recovery disc creation, number the discs appropriately for use in their correct
order. The first disc created will be used to start the computer in the case of a system
failure.
•
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Chapter 5. Troubleshooting
Frequently asked questions------------------------------------------------------------
This section lists frequently asked questions and tells where you can find
detailed answers.
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.
See “Appendix A. CRU instructions” on page 43 of this guide.
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.
Where are the installation discs for preinstalled programs?
Installation discs for preinstalled programs are not supplied with Windows
preinstalled computers. You can visit the Lenovo consumer support Web
site to find all preinstalled software downloads.
By default, you can find some installation backups for certain preinstalled
software in the APP folder under the D driver.
How can I contact the customer support center?
See " Chapter 3. Getting help and service" of Lenovo Safety and General
Information Guide.
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Chapter 5. Troubleshooting
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
Close other programs, then restart the backup process.
2
Check 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. 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 Rescue system. 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 backlight for the
LCD screen has been turned off.
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Chapter 5. Troubleshooting
Password problems
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 (Z475).
•
The numeric lock function is on. To disable it, press Fn + F8.
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.
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Chapter 5. Troubleshooting
The computer does not return
from sleep mode and the com-
puter 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 programs correctly?
If they are installed and configured correctly, have the
computer serviced.
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Chapter 5. Troubleshooting
Sound problems
No sound can be heard from
the speaker even when the vol-
ume is turned up.
•
•
Make sure that:
- The Mute function is off.
- The headphone jack is not used.
- Speakers are selected as the playback device.
Battery problems
Your computer shuts down
before the battery status indica-
tor shows empty.
Discharge and recharge the battery.
-or-
Your computer operates after
the battery status indicator
shows empty.
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.
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 priority order
correctly.
A startup problem
®
Use the OneKey Rescue system to help solve or identify
your problem. For details about OneKey Rescue system, see
The Microsoft Windows oper-
ating system does not start.
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 priority order 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 priority
order 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.
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Appendix A. CRU instructions
Note:The illustrations used in this chapter are of the Lenovo IdeaPad Z475, unless otherwise stated.
Replacing the battery pack -----------------------------------------------------
Note: Use only the battery provided by Lenovo. Any other battery could ignite or explode.
To replace the battery pack, 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 a. Holding the spring-loaded battery
latch in the unlocked position b, remove the battery pack in the direc-
tion shown by the arrow c.
Z475
1
a
b
c
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Appendix A. CRU instructions
Z575
b
c
1
a
4
5
6
Install a fully charged battery pack.
Slide the manual battery latch to the locked position.
Turn the computer over and reconnect the AC adapter.
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Appendix A. 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 perma-
nent 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 com-
puter off. Never remove the drive while the system is operating, in sleep
mode, or in hibernation mode.
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Appendix A. CRU instructions
To replace the hard disk drive, do the following:
1
Turn off the computer; then disconnect the AC adapter and all cables
from the computer.
2
3
4
Close the computer display, and then turn the computer over.
Remove the battery pack.
Remove the Hard disk drive/Memory/Central processing unit/Mini PCI
Express Card slot compartment cover.
a.Loosen the screws that secure the compartment cover a.
b.Remove the compartment cover
.
b
Z475
a
b
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Appendix A. CRU instructions
Z575
a
b
5
Remove the frame fixing screws
.
c
Z475
c
c
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Appendix A. CRU instructions
Z575
c
6
Pull the tab in the direction shown by arrow
.
d
Z475
a.Hold the tab to lift the hard disk drive a little by arrow d’.
b.Pull the tab in the direction shown by arrow d.
d’
d
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Appendix A. CRU instructions
Z575
d
7
Take out the hard disk drive secured in a metal frame e.
Z475
e
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Appendix A. CRU instructions
Z575
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 screw.
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 A. 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
Turn off the computer. Disconnect the AC adapter and all cables from the
computer.
3
4
5
Close the computer display, and turn the computer over.
Remove the battery again.
Remove the Hard disk drive/Memory/Central processing unit/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 A. 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.
b
a
a
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
After aligning the attachment clips with their matching gaps, reinstall the
compartment cover.
0
A
B
Reinstall and tighten the screws.
Reinstall the battery.
Turn the computer over again. Connect the AC adapter and the cables to
the computer again.
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Appendix A. 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).
b
a
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
Total Memory item shows the total amount of memory installed in your
computer.
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Appendix A. CRU instructions
Removing the optical drive -----------------------------------------------------
To remove the optical drive, do the following:
1
Remove the Hard disk drive/Memory/Central processing unit/Mini PCI
Express Card slot compartment cover.
2
3
Remove the screw shown in the illustration
.
a
Gently pull the optical drive out
.
b
a
b
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Appendix A. CRU instructions
The following table provides a list of CRUs 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 pack
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.
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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