Y40-70 Laptop

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Lenovo Y40-70 Laptop
FieldDetails
Document TitleLenovo User Guide
Document TypeUser Guide
Brand NameLenovo
Product NameY40-70 Laptop
Model Number(s)Y40-70, Y40-80, Y50-70, Y50-80, Y50-70 Touch, Y50-80 Touch
PDF File Size4 MB
Number of Pages38
LanguagesEnglish

Lenovo Y40-70 Laptop

The Lenovo Y40-70 is a notebook computer equipped with an integrated camera, noise-reducing microphones, JBL speakers, a one-piece multitouch touchpad, and a standard keyboard with function-key shortcuts. It supports wired and wireless networking, external displays, USB devices, and removable memory cards.

The computer includes HDMI, Ethernet, USB 3.0, a combination headset jack, and S/PDIF digital audio output. Its keyboard provides shortcuts for adjusting screen brightness, controlling volume, enabling or disabling the touchpad, changing display output, and accessing Windows functions.

The Lenovo Y40-70 also features a Novo button for accessing BIOS Setup, the boot menu, and Lenovo OneKey Recovery. The recovery software allows the system partition to be backed up and restored when the supported recovery environment is available.

Product Overview

The Lenovo Y40-70 combines standard notebook functions with multimedia and external connectivity features.

The built-in display provides visual output, while the integrated camera and microphones support video communication, voice recording, and conferencing. JBL speakers provide audio playback through the computer’s built-in sound system.

The laptop uses a one-piece multitouch ClickPad for pointer movement and mouse-button operations. The keyboard includes dedicated function-key combinations for system controls.

Main Features

  • Integrated computer display.
  • Built-in camera for video communication and photographs.
  • Built-in microphones with noise reduction.
  • Wireless LAN antennas.
  • JBL speakers.
  • Standard keyboard with function keys.
  • Optional keyboard backlighting.
  • One-piece multitouch ClickPad.
  • Dedicated Power button.
  • Novo button for BIOS, boot, and recovery functions.
  • RJ-45 Ethernet connection.
  • HDMI external display output.
  • Three USB ports.
  • USB 3.0 support.
  • Combination audio jack.
  • S/PDIF digital audio output.
  • SD and MMC memory card support.
  • Kensington security lock slot.
  • Power and battery status indicators.
  • Lenovo OneKey Recovery System.
  • UEFI and Legacy Support boot modes.

Supported Models and Machine Types

The user guide applies to several Lenovo notebook configurations.

ModelMachine Type
Lenovo Y40-7020347, 80DR
Lenovo Y40-8020399, 80FA
Lenovo Y50-7020378, 80EJ
Lenovo Y50-8020401, 80FC
Lenovo Y50-70 Touch20349, 80DT
Lenovo Y50-80 Touch20402, 80FD

The Y40-70 and Y40-80 have the keyboard and component layout shown for the Y40 family. The Y50 models have a separate numeric keypad, and the Y50 Touch versions include touch-specific hardware configurations.

Technical Specifications

General Specifications

SpecificationDetails
BrandLenovo
ModelY40-70
Machine Types20347, 80DR
Product TypeNotebook Computer
DisplayIntegrated Computer Display
CameraIntegrated
MicrophonesBuilt-In, with Noise Reduction
SpeakersJBL
KeyboardStandard Keyboard with Function Keys
Keyboard BacklightSelected Configurations
Pointing DeviceOne-Piece Multitouch ClickPad
Wireless NetworkingWireless LAN
Wired NetworkingRJ-45 Ethernet
Video OutputHDMI
USB ConnectivityUSB 3.0
Number of USB Ports3
Audio ConnectionsCombination Audio Jack, S/PDIF
Memory Card SupportSD, MMC
SecurityKensington Lock Slot
Recovery SoftwareLenovo OneKey Recovery
BIOS Boot ModesUEFI, Legacy Support
Operating System CoveredWindows 8.1

USB Connectivity

SpecificationDetails
Number of USB Ports3
USB 3.0 IdentificationRed-Colored USB Port
USB Device RecognitionWindows Automatic Driver Installation
USB Storage RemovalSafely Remove Hardware and Eject Media

Audio and Display Connections

ConnectorFunction
HDMIConnects a compatible television or external monitor
Combo Audio JackConnects a compatible headset
S/PDIFProvides digital audio output to compatible devices

Memory Card Specifications

Card TypeSupported
Secure Digital (SD)Yes
MultiMediaCard (MMC)Yes
SDIO DevicesNo

Only one memory card should be used in the card reader at a time.

Parts and Components

Top Components

The top of the Lenovo Y40-70 contains the main display, camera, microphones, speakers, controls, keyboard, and touchpad.

ComponentFunction
Integrated CameraCaptures photographs and video
Built-In MicrophonesRecord speech and other sounds
Wireless LAN AntennasSend and receive wireless network signals
Computer DisplayDisplays images, applications, and video
Ventilation SlotsRelease internal heat
JBL SpeakersProduce audio output
Power ButtonTurns on the computer
Novo ButtonOpens recovery and startup options
TouchpadControls the pointer and performs mouse actions

Integrated Camera

The camera supports video communication and photography.

It can be used with compatible applications that require camera input.

Built-In Microphones

The integrated microphones capture sound for:

  • Video conferencing.
  • Voice narration.
  • Audio recording.

Noise reduction is included in the microphone system.

Wireless LAN Antennas

The internal antennas transmit and receive wireless networking signals.

They allow the computer’s wireless LAN adapter to communicate with compatible wireless networks.

JBL Speakers

The integrated JBL speakers provide sound output from applications, videos, system notifications, and other audio content.

Power Button

Press the Power button to turn on the computer.

When Windows is running, pressing the Power button can place the computer into sleep mode.

Novo Button

The Novo button provides access to startup and recovery functions.

When the computer is turned off or in hibernation, pressing Novo can open:

  • Lenovo OneKey Recovery.
  • BIOS Setup Utility.
  • Boot Menu.

Ventilation Slots

The ventilation slots allow heat generated by the computer’s internal components to escape.

Important: Keep the ventilation slots unobstructed. Blocked airflow may cause overheating.

Using the Touchpad

The Lenovo Y40-70 uses a one-piece multitouch ClickPad.

Moving the Pointer

  1. Place a fingertip on the touchpad.
  2. Slide the fingertip in the required direction.
  3. The on-screen pointer moves accordingly.

Left-Click

Press the designated left-click area of the touchpad.

This performs the same function as the left mouse button.

Right-Click

Press the designated right-click area.

This performs the same function as the right mouse button.

Enabling or Disabling the Touchpad

Press Fn + F6.

The touchpad can be disabled when an external pointing device is preferred.

Left-Side Ports and Connectors

The left side provides power, network, display, and USB connections.

ComponentFunction
AC Power Adapter JackConnects the computer to its power adapter
RJ-45 Ethernet PortProvides wired networking
HDMI PortConnects a compatible external display
USB PortsConnect compatible USB peripherals

AC Power Adapter Jack

Connect the computer’s compatible AC power adapter to the dedicated power jack.

RJ-45 Ethernet Port

The Ethernet connector allows the computer to connect to a wired network.

Its protective cover moves downward when a suitable Ethernet connector is inserted.

HDMI Port

The HDMI connector supports compatible devices with an HDMI input, including televisions and external monitors.

USB Ports

The computer has USB ports for connecting compatible accessories.

The red-colored USB port supports USB 3.0.

Right-Side Ports and Connectors

The right side includes the memory card slot, audio connections, USB port, and security lock slot.

ComponentFunction
Memory Card SlotAccepts compatible SD and MMC cards
Combo Audio JackConnects a compatible headset
S/PDIF JackConnects digital audio equipment
USB PortConnects compatible USB devices
Kensington Lock SlotAccepts a compatible security cable

Combination Audio Jack

The combo audio connector supports compatible headsets.

Important: The connector does not support conventional standalone microphones by default.

Recording functions may not work with certain third-party headsets because of differences between audio connector standards.

S/PDIF Digital Audio Jack

The S/PDIF connection provides digital audio output to compatible equipment.

Kensington Lock Slot

A compatible Kensington security lock can be connected to the laptop to help protect it against unauthorized removal.

Check the lock’s compatibility with the computer’s security slot before purchasing it.

Front and Bottom Components

Front Status Indicators

The front edge includes indicators that show:

  • Power status.
  • Battery status.
  • Touchpad status.
  • Hard disk drive activity.

Bottom Ventilation Louvers

The bottom panel contains ventilation louvers.

These openings allow cooling air to enter the computer.

Keep the louvers unobstructed during operation.

Power and Battery Status Indicators

Power Indicator

Indicator StatusMeaning
Solid WhiteComputer is powered on
BlinkingComputer is in sleep mode
OffComputer is powered off

Battery Indicator

Indicator StatusBattery ConditionMeaning
Solid WhiteChargingCharge is above 80%
Solid WhiteDischargingCharge is above 20%
Solid AmberDischargingCharge is between 5% and 20%
Slowly Blinking WhiteChargingCharge is between 20% and 80%
Slowly Blinking AmberChargingCharge is below 20%
Rapidly Blinking AmberCharging or DischargingCharge is below 5%

Battery Charging Light Behavior

When the battery is charging below 20%, the indicator blinks amber slowly.

After the charge reaches 20%, the indicator changes to slowly blinking white.

When the battery reaches 80%, the white indicator stops blinking, although the battery continues charging until full.

A rapidly blinking amber indicator shows that the charge is below 5%.

Touchpad Indicator

IndicatorMeaning
Solid WhiteTouchpad is disabled
OffTouchpad is enabled

Hard Disk Drive Indicator

A blinking hard disk indicator means the storage drive is reading or writing data.

Safety Instructions

Display Safety

Warning: Do not open the display panel beyond 130 degrees.

Before closing the laptop, remove pens and other objects from the keyboard area.

Objects trapped between the keyboard and screen can damage the display panel.

Ventilation Safety

Keep the computer’s ventilation slots and bottom cooling openings clear.

Blocked ventilation can cause overheating.

Electrical and Power Safety

Read the Lenovo Safety and General Information Guide before operating the computer.

Use suitable power connections and follow the supplied electrical safety instructions.

USB Device Safety

Some USB devices require their own external power supply.

If a USB device uses a power cord, connect the device to its power source before connecting it to the laptop.

Otherwise, the computer may fail to recognize the accessory.

Before First Use

Connecting the Computer to Power

  1. Place the computer on a stable surface.
  2. Locate the AC power adapter jack on the left side.
  3. Connect the compatible AC power adapter.
  4. Connect the adapter to an electrical outlet.
  5. Press the Power button.

First-Time Windows Configuration

The initial Windows 8.1 setup process may include:

  1. Accepting the end-user license agreement.
  2. Configuring an Internet connection.
  3. Registering the operating system.
  4. Creating a user account.

Follow the instructions displayed by Windows to complete the setup.

Keyboard Shortcuts and Function Keys

The Lenovo Y40-70 keyboard includes shortcuts for display controls, volume, sleep mode, wireless settings, and Windows navigation.

Hold the Fn key while pressing the required function key.

Function Key Shortcuts

ShortcutFunction
Fn + F1Enters sleep mode
Fn + F2Turns the LCD backlight on or off
Fn + F3Opens display selection options
Fn + F5Enables or disables Airplane Mode
Fn + F6Enables or disables the touchpad
Fn + F9Opens the Settings charm
Fn + F10Opens the Search charm
Fn + F11Displays currently running apps
Fn + PrtScActivates System Request
Fn + PgUpEnables or disables Scroll Lock
Fn + HomeActivates Pause
Fn + EndActivates Break
Fn + PgDnActivates Insert
Fn + Up ArrowIncreases screen brightness
Fn + Down ArrowDecreases screen brightness
Fn + Right ArrowIncreases volume
Fn + Left ArrowDecreases volume
Fn + SpaceAdjusts keyboard backlighting on selected models

Adjusting Screen Brightness

To increase brightness, press Fn + Up Arrow.

To decrease brightness, press Fn + Down Arrow.

Adjusting Sound Volume

  • Fn + Right Arrow: Increase volume.
  • Fn + Left Arrow: Decrease volume.

Turning the LCD Backlight On or Off

Press Fn + F2.

This shortcut can also help identify whether a blank screen is caused by the LCD backlight being turned off.

Using Keyboard Backlighting

Selected Y40-70 configurations support keyboard backlighting.

Press Fn + Space to cycle through:

  1. Off.
  2. Dim.
  3. Bright.
  4. Off.

Using Windows 8.1

Windows 8.1 provides two main interfaces:

  • Start screen.
  • Windows desktop.

Switching to the Desktop

From the Start screen:

  1. Select the Desktop tile.

Alternatively, press Windows + D.

Switching to the Start Screen

Use one of the following methods:

  • Press the Windows key.
  • Open the Charms bar and select Start.
  • Move the pointer to the lower-left corner and select the Start button.

Windows 8.1 Charms Bar

The Charms bar provides access to common system functions from different applications.

Opening the Charms Bar

Use either method:

  1. Move the pointer to the upper-right or lower-right corner.
  2. Press Windows + C.

Charms and Their Functions

CharmFunction
SearchSearches settings, files, web images, and other content
ShareShares supported content through compatible applications
StartOpens the Windows Start screen
DevicesConnects to or sends content to external devices
SettingsProvides power, volume, Control Panel, and other settings

Search Charm

Press Fn + F10 to open the Search charm.

Settings Charm

Press Fn + F9 to open the Settings charm.

Displaying Current Apps

Press Fn + F11 to display currently running applications.

Sleep Mode and Shutdown

Putting the Laptop to Sleep

Sleep mode reduces power consumption while allowing the computer to resume operation without a complete startup.

Use one of these methods:

  1. Close the display lid.
  2. Press the Power button.
  3. Open Settings > Power > Sleep.
  4. Press Fn + F1.

Important: Wait until the Power indicator begins blinking before moving the computer.

Moving a computer while its hard disk is spinning can damage the drive and cause data loss.

Waking the Computer

Use either method:

  • Press any key on the keyboard.
  • Press the Power button.

Shutting Down Windows 8.1

Use either of the following procedures.

Method 1: Charms Bar

  1. Open the Charms bar.
  2. Select Settings.
  3. Select Power.
  4. Click Shut down.

Method 2: Start Button

  1. Right-click or press and hold the Start button.
  2. Select Shut down or sign out.
  3. Select Shut down.

Shutting down is appropriate when the computer will not be used for an extended period.

Connecting to Wi-Fi

The laptop supports wireless networking through its wireless LAN adapter.

Enabling Wireless Networking

  1. Press Fn + F5 to disable Airplane Mode.

Alternatively:

  1. Open the Charms bar.
  2. Select Settings.
  3. Open the network configuration page.
  4. Set Airplane Mode to Off.

Connecting to a Wireless Network

  1. Enable wireless networking.
  2. Open the list of available wireless networks.
  3. Select the required network.
  4. Click Connect.
  5. Enter the security key or passphrase if prompted.

Windows automatically scans for available networks after wireless connectivity is enabled.

For protected networks, obtain the required security information from the network administrator or Internet service provider.

Connecting an Ethernet Cable

The Y40-70 includes an RJ-45 Ethernet connector on the left side.

Ethernet Connection Instructions

  1. Locate the Ethernet port.
  2. Hold the network cable connector.
  3. Gently use the connector to press down the protective port cover.
  4. Insert the connector into the RJ-45 port.
  5. Configure the network according to the Internet service provider’s instructions.

Connecting USB Devices

The Lenovo Y40-70 has three USB ports for connecting compatible external devices.

Connecting a USB Device

  1. Locate an available USB port.
  2. Connect the device.
  3. Allow Windows to detect the device.
  4. Complete driver installation if required.

Windows normally installs a compatible device driver automatically the first time a USB device is connected to a particular port.

Some USB accessories require driver installation before the device is connected.

Follow the accessory manufacturer’s instructions when such installation is required.

Removing USB Storage Safely

Before disconnecting a USB storage device:

  1. Finish transferring files.
  2. Open Safely Remove Hardware and Eject Media from the Windows notification area.
  3. Select the USB device.
  4. Disconnect it after Windows indicates it is safe.

USB Devices with External Power

If an external USB accessory has its own power cord, connect that accessory to its power source before connecting it to the computer.

This helps prevent device-recognition problems.

Connecting External Displays

The Y40-70 provides an HDMI connection for compatible displays.

HDMI Connection

  1. Connect a compatible HDMI cable to the laptop.
  2. Connect the other end to the external monitor or television.
  3. Turn on the external display.
  4. Press Fn + F3 to open display selection.
  5. Choose the required display output.

Connecting Audio Devices

Using a Headset

Connect a compatible headset to the combination audio jack.

A headset with an incompatible connector standard may not support recording through the laptop.

Digital Audio Output

The S/PDIF jack connects to compatible digital audio devices.

Use a suitable S/PDIF connection with equipment that supports the required digital audio input.

Using Memory Cards

The Lenovo Y40-70 supports SD and MMC memory cards.

Supported Memory Cards

Memory CardSupport
Secure Digital (SD)Yes
MultiMediaCard (MMC)Yes
SDIO DevicesNo

Inserting a Memory Card

  1. Locate the card reader on the right side.
  2. Insert a compatible memory card.
  3. Push it inward until it clicks into place.

Removing a Memory Card

  1. Use Windows Safely Remove Hardware and Eject Media.
  2. Push the card inward until it clicks.
  3. Gently pull the card out.

Only one memory card should be inserted at a time.

Using the safe-removal function helps prevent data corruption.

Lenovo Novo Button

The Novo button provides access to recovery and startup functions.

It can be used when the computer is turned off or in hibernation.

Opening the Novo Button Menu

  1. Shut down the computer.
  2. Press the Novo button.
  3. Select the required function.

Novo Button Functions

FunctionPurpose
BIOS SetupOpens firmware configuration
Boot MenuSelects a startup device
System RecoveryOpens Lenovo OneKey Recovery

BIOS Setup Instructions

The BIOS Setup Utility displays basic computer information and provides options for hardware, security, and startup configuration.

Entering BIOS Setup

  1. Turn off the computer.
  2. Press the Novo button.
  3. Select BIOS Setup.

Changing Boot Mode

The computer supports UEFI and Legacy Support startup modes.

Boot ModeFunction
UEFIDefault boot mode
Legacy SupportSupports installation of compatible legacy operating systems

To change boot mode:

  1. Open BIOS Setup.
  2. Select the Boot menu.
  3. Locate the Boot Mode setting.
  4. Choose UEFI or Legacy Support.
  5. Save the changes.

The guide specifies Legacy Support for installing older operating systems predating Windows 8, including compatible legacy Windows, Linux, or DOS systems.

Selecting a Startup Device

  1. Turn off the computer.
  2. Press the Novo button.
  3. Select Boot Menu.
  4. Choose the required startup device.

Lenovo OneKey Recovery System

Lenovo OneKey Recovery provides backup and system restoration functions.

The software can save a backup image of the system partition and restore the partition to its original factory state or a previously created backup.

Recovery Partition

The computer’s hard disk includes a hidden recovery partition containing the system image and OneKey Recovery program files.

This partition uses storage space, so the capacity available to Windows may appear lower than the drive’s stated capacity.

The OneKey Recovery System is unavailable on configurations preinstalled with GNU/Linux or DOS.

Backing Up the System Partition

  1. Start Windows normally.
  2. Press the Novo button to launch Lenovo OneKey Recovery.
  3. Select System Backup.
  4. Choose a backup location.
  5. Click Next.
  6. Allow the backup process to finish.

Backup images can be stored on the local hard disk or an external storage device.

Important: If a removable hard disk drive is installed, remove it before starting OneKey Recovery. Otherwise, data on the removable drive may be lost.

System Backup requires Windows to start normally.

Restoring the System Partition

  1. Open Lenovo OneKey Recovery using the Novo button.
  2. Select System Recovery.
  3. Allow the computer to restart into the recovery environment.
  4. Follow the on-screen instructions.
  5. Restore the original system state or a previously created backup point.

Warning: System recovery is irreversible. Back up important files from the system partition before starting.

Keep the AC power adapter connected during recovery.

Starting Recovery When Windows Cannot Boot

  1. Shut down the computer.
  2. Press the Novo button.
  3. Select System Recovery from the Novo Button Menu.
  4. Press Enter.
  5. Follow the recovery instructions.

Device Drivers and Preinstalled Software

Finding Preinstalled Software

Lenovo preinstalled software installation programs are stored on the D partition of the computer’s hard disk.

These installation files can be used when the original applications need to be reinstalled.

Finding Hardware Drivers

For configurations preinstalled with Windows, Lenovo provides the required hardware device drivers on the D partition.

Drivers are also available through Lenovo Support:

https://support.lenovo.com

Maintenance and Safe Handling

Ventilation Maintenance

Keep all ventilation openings unobstructed.

The bottom louvers allow cooling air to enter the computer, while the ventilation slots release internal heat.

Hard Disk Protection

Before moving the computer, allow it to enter sleep mode completely or shut it down.

The Power indicator should begin blinking when sleep mode is active.

Moving the computer while the hard disk is spinning can damage the drive.

External Storage Care

Always use Windows Safely Remove Hardware and Eject Media before removing USB storage devices or memory cards.

This helps protect stored files.

System Backup

Use Lenovo OneKey Recovery to create a system backup while Windows is operating normally.

A previously created backup can be used during system recovery.

Troubleshooting Guide

Common Problems and Solutions

ProblemRecommended Action
Nothing appears on the screen after startupCheck AC power, Power button, and memory installation
White cursor appears on a blank screenRestore Windows using OneKey Recovery
Screen becomes blank during operationWake the computer or check the LCD backlight
Display is unreadable or distortedCheck display drivers, resolution, color quality, and monitor type
Incorrect characters appearCheck the operating system and installed applications
Critical low-battery warning appearsConnect the AC power adapter
Computer enters sleep immediately after startupCheck battery charge and operating temperature
Computer does not resume from sleepConnect AC power and attempt to wake or reset
No sound from speakersCheck mute status, audio connection, and playback device
Battery level appears inaccurateDischarge and recharge the battery
Battery operating time is shortDischarge and recharge the battery
Computer does not operate with a charged batteryTurn it off for one minute to reset the battery surge protector
Hard disk drive does not workCheck the drive’s inclusion in the BIOS Boot menu
OneKey Recovery backup failsCheck Windows operation and available backup space
Factory recovery failsCheck whether the system partition was modified
Computer does not respondHold Power for four seconds or longer
Computer does not start from the selected deviceCheck the BIOS Boot menu or use the Novo Boot Menu
External device does not workCheck its connection and external power requirements

Nothing Appears on the Screen

If the laptop powers on but the screen remains blank:

  1. Confirm that the AC power adapter is connected.
  2. Check that the electrical outlet works.
  3. Press the Power button to confirm the computer is on.
  4. Verify that the memory is installed correctly.

If the computer remains blank after these checks, obtain service.

White Cursor on a Blank Screen

If a white cursor appears on an otherwise blank screen, use Lenovo OneKey Recovery to restore Windows from a backup or restore the original factory system.

If the white cursor remains afterward, the computer requires service.

Screen Becomes Blank During Use

The screen saver or power management may have turned off the display.

Try the following:

  1. Touch the touchpad.
  2. Press any keyboard key.
  3. Press the Power button.
  4. Press Fn + F2 to check the LCD backlight.

Screen Is Dark

  1. Press Fn + Up Arrow to increase brightness.
  2. If the Power indicator is blinking, press the Power button to resume from sleep.
  3. Press Fn + F2 to check the LCD backlight.

Display Is Unreadable or Distorted

Check the following:

  • The display device driver is installed correctly.
  • Screen resolution is configured correctly.
  • Color quality settings are correct.
  • The monitor type is correct.

Incorrect Characters Appear

Check whether the operating system and installed programs are configured correctly.

If they are correctly installed and the problem continues, have the computer serviced.

Sleep Mode Troubleshooting

Critical Low-Battery Error

If the laptop displays a critical low-battery warning and immediately shuts down, connect the AC power adapter.

Computer Enters Sleep Immediately After Startup

Check that:

  1. The battery is charged.
  2. The operating temperature is within the accepted range.

If both conditions are satisfactory, the computer requires service.

Computer Does Not Wake from Sleep

  1. Connect the AC power adapter.
  2. Press any key or the Power button.
  3. If the computer remains unresponsive, hold the Power button for four seconds or longer.
  4. If the computer still cannot be reset, disconnect the AC adapter.

Attention: A forced shutdown can cause unsaved data to be lost.

Audio Troubleshooting

No Sound from the Speakers

If the speakers do not produce sound even when the volume is increased:

  1. Confirm that Mute is off.
  2. Check whether a headset is connected to the audio jack.
  3. Confirm that the internal speakers are selected as the playback device.

Battery Troubleshooting

Battery Indicator Is Inaccurate

If the computer shuts down before the indicator reaches empty, or operates after the indicator reports empty, discharge and recharge the battery.

Battery Operating Time Is Short

Discharge and recharge the battery pack.

Computer Does Not Operate with a Fully Charged Battery

The battery’s surge protector may be active.

  1. Turn off the computer.
  2. Leave it turned off for one minute.
  3. Turn it on again.

Hard Disk Troubleshooting

Hard Disk Drive Does Not Work

  1. Open BIOS Setup using the Novo button.
  2. Select the Boot menu.
  3. Confirm that the hard disk drive is included correctly in the startup device configuration.

OneKey Recovery Troubleshooting

System Backup Cannot Be Created

Check that Windows is running.

Make sure sufficient free space is available on the selected backup partition.

Backup Fails During the Process

  1. Close all open programs.
  2. Restart the backup process.
  3. Check whether the destination storage device is damaged.
  4. Select another backup location if necessary.

Factory Recovery Cannot Be Completed

Factory recovery may fail if the system partition has been modified.

Changes to the partition size or C drive capacity can affect the recovery process.

Other Troubleshooting

Computer Does Not Respond

  1. Press and hold the Power button for at least four seconds.
  2. If the laptop remains unresponsive, disconnect the AC power adapter.

The computer may also become unresponsive if it enters sleep mode during a network communication operation.

Disable the sleep timer when carrying out network tasks that should not be interrupted.

Computer Does Not Boot from the Selected Device

  1. Open BIOS Setup.
  2. Select the Boot menu.
  3. Confirm that the required startup device is enabled and included.
  4. Check the startup device selection.
  5. Use the Novo Button Menu to select the required device when necessary.

External Device Does Not Work

Do not connect or disconnect non-USB external device cables while the computer is powered on.

For high-power USB accessories, use the accessory’s external power adapter.

An accessory without sufficient power may fail to be recognized or cause the system to shut down.

BIOS Password Problems

Forgotten User Password

Contact the system administrator to clear the user password.

Forgotten Hard Disk Password

Lenovo-authorized service personnel cannot reset a forgotten hard disk password or recover the protected data.

The hard disk may need to be replaced by an authorized Lenovo service provider.

Proof of purchase is required, and parts and service charges apply.

Forgotten Administrator Password

Lenovo-authorized service personnel cannot reset a forgotten administrator password.

The system board must be replaced through an authorized Lenovo service provider or representative.

Proof of purchase is required, and parts and service fees apply.

Warranty Information

The Lenovo Y40-70 is subject to the applicable Lenovo warranty supplied with the computer.

The Safety, Warranty, and Setup Guide contains information about the warranty period and available warranty service.

Users should review the supplied warranty documentation before requesting repair or replacement service.

Customer Support Information

Lenovo provides product support, hardware drivers, documentation, and assistance with service issues.

Official Support Resources

ResourceWebsite
Lenovo Supporthttps://support.lenovo.com
Lenovo Official Websitehttps://www.lenovo.com
Lenovo Compliance Informationhttps://www.lenovo.com/compliance
Lenovo Environmental Informationhttps://www.lenovo.com/ecodeclaration

For service and technical assistance, refer to the Getting Help and Service chapter of the Lenovo Safety and General Information Guide.

Frequently Asked Questions

1. How do I enter BIOS on the Lenovo Y40-70?

Turn off the laptop, press the Novo button, and select BIOS Setup from the menu.

2. How do I reset the Lenovo Y40-70 to factory settings?

Press the Novo button and open System Recovery. Follow the Lenovo OneKey Recovery instructions to restore the system partition to its original state. Back up important data before starting because the recovery process is irreversible.

3. How do I turn on Wi-Fi on the Lenovo Y40-70?

Press Fn + F5 to disable Airplane Mode. Open the Windows wireless network list, select the required network, and enter the password if prompted.

4. How do I turn on the Lenovo Y40-70 keyboard backlight?

On supported configurations, press Fn + Space to cycle between Off, Dim, and Bright keyboard illumination.

5. How do I enable or disable the Lenovo Y40-70 touchpad?

Press Fn + F6. The touchpad indicator shows solid white when disabled and turns off when enabled.

6. Why is my Lenovo Y40-70 screen black?

Check the AC power connection, press Fn + Up Arrow to increase brightness, and use Fn + F2 to check whether the LCD backlight is off. If the Power indicator is blinking, press the Power button to wake the computer.

7. What should I do if my Lenovo Y40-70 does not wake from sleep?

Connect the AC adapter and press a keyboard key or the Power button. If the computer remains unresponsive, hold the Power button for at least four seconds. Unsaved work may be lost.

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