Lenovo IdeaCentre A540-27ICB, IdeaCentre A540-24ICB, IdeaCentre A540-24API User Guide [en, et, pt, ro, sr, zc, zh]
IdeaCentre A540 Series
User Guide
Read this first
Before using this documentation and the product it supports, ensure that you read and understand the
following:
• Appendix A “Important safety information” on page 47
• Safety and Warranty Guide
• Setup Guide
First Edition (May 2019)
© Copyright Lenovo 2019.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS35F-05925.
Contents
About this documentation . . . . . . . . iii
Chapter 1. Meet your computer. . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 3
Bottom . . . . . . . . . . . . . . . . . . . 7
Features and specifications . . . . . . . . . . . 8
Statement on USB transfer rate . . . . . . . . 9
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . 11
Adjust the computer stand . . . . . . . . . . 11
Get started with Windows 10 . . . . . . . . . 11
Windows account . . . . . . . . . . . . 11
Set up face recognition . . . . . . . . . . 12
Windows user interface . . . . . . . . . . 13
Connect to networks. . . . . . . . . . . . . 14
Connect to the wired Ethernet . . . . . . . 14
Connect to Wi-Fi networks. . . . . . . . . 14
Lenovo Vantage and Lenovo PC Manager . . . . 14
Use the multi-touch screen . . . . . . . . . . 14
Use multimedia . . . . . . . . . . . . . . . 18
Use audio . . . . . . . . . . . . . . . 18
Use the camera . . . . . . . . . . . . . 18
Connect to an external display . . . . . . . 18
Chapter 3. Explore your computer . . 21
Manage power . . . . . . . . . . . . . . . 21
Set power button behaviors . . . . . . . . 21
Set the power plan . . . . . . . . . . . . 21
Transfer data . . . . . . . . . . . . . . . . 21
Connect to a Bluetooth-enabled device. . . . 21
Use the optical drive . . . . . . . . . . . 22
Use a media card . . . . . . . . . . . . 22
Chapter 4. Troubleshooting and
recovery . . . . . . . . . . . . . . . . 23
Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 23
Troubleshooting . . . . . . . . . . . . . . 23
Startup problems . . . . . . . . . . . . 24
Screen problems . . . . . . . . . . . . 25
Audio problems . . . . . . . . . . . . . 26
Network problems . . . . . . . . . . . . 27
Performance problems . . . . . . . . . . 29
CD or DVD problems . . . . . . . . . . . 30
Software problems. . . . . . . . . . . . 31
Recovery . . . . . . . . . . . . . . . . . 31
Restore system files and settings to an earlier
point . . . . . . . . . . . . . . . . . 31
Restore your files from a backup . . . . . . 31
Reset your computer . . . . . . . . . . . 31
Use advanced options
Windows automatic recovery. . . . . . . . 32
Create and use a recovery USB device . . . . 32
Update the device driver . . . . . . . . . 33
. . . . . . . . . . 31
Chapter 5. CRU replacement . . . . . 35
What are CRUs . . . . . . . . . . . . . . . 35
Replace a CRU . . . . . . . . . . . . . . . 35
Storage drive . . . . . . . . . . . . . . 35
Hinge cover . . . . . . . . . . . . . . 38
Chapter 6. Help and support . . . . . 43
Self-help resources . . . . . . . . . . . . . 43
Call Lenovo . . . . . . . . . . . . . . . . 44
Before you contact Lenovo . . . . . . . . 44
Lenovo Customer Support Center . . . . . . 45
Purchase additional services. . . . . . . . . . 45
Appendix A. Important safety
information . . . . . . . . . . . . . . . 47
Appendix B. Accessibility and
ergonomic information . . . . . . . . 61
Appendix C. Compliance
information . . . . . . . . . . . . . . . 65
Appendix D. Notices and
trademarks . . . . . . . . . . . . . . . 77
© Copyright Lenovo 2019 i
ii IdeaCentre A540 Series User Guide
About this documentation
• Illustrations in this documentation might look different from your product.
• Depending on the model, some optional accessories, features, and software programs might not be
available on your computer.
• Depending on the version of operating systems, some user interface instructions might not be applicable
to your computer.
• Documentation content is subject to change without notice. Lenovo makes constant improvements on the
documentation of your computer, including this User Guide. To get the latest documentation, go to:
https://support.lenovo.com
• Microsoft® makes periodic feature changes to the Windows® operating system through Windows Update.
As a result, some information in this documentation might become outdated. Refer to Microsoft resources
for the latest information.
• This documentation applies to the following product models:
Model name
IdeaCentre A540-27ICB
IdeaCentre A540-24ICB
IdeaCentre A540-24API
Machine type (MT)
F0EK
F0EL
F0EM
© Copyright Lenovo 2019 iii
iv IdeaCentre A540 Series User Guide
Chapter 1. Meet your computer
Front
1. Integrated camera activity
indicator
2. Integrated microphones (2) Capture or record sound and voice.
3. Integrated camera*
4. Infrared camera* Sign in to your account with face authentication.
5. Screen
6. Wireless charging pad**
© Copyright Lenovo 2019 1
The indicator is on when the camera is in use.
Take pictures or record videos by clicking Camera from the Start menu.
If you use other apps that support photographing, video chatting, and video
conference, the camera starts automatically when you enable the camerarequired feature from the app.
Displays text, graphics, and videos. Selected models support multi-touch
function. See “Use the multi-touch screen” on page 14.
Charge a phone that supports wireless charging.
1. Place your phone at the center of the pad to start charging.
2. Remove the phone from the pad to stop charging.
Note:
If the indicator blinks amber, adjust the phone's position and remove any metal
object on or near the pad.
7. Internal speakers Enable you to experience high-quality sound.
The indicator shows the charging status of a phone that supports wireless
charging.
• Blinking white: The phone is being charged.
8. Wireless charging indicator**
• Solid white: The phone is fully charged.
• Blinking amber: Charging error occurs.
• Off: No phone is detected.
Note: For some phones, the indicator might still blink white when the phone is
fully charged.
* Either an integrated camera or an infrared camera is provided on your computer.
** for selected models
2
IdeaCentre A540 Series User Guide
Rear
24–inch models
1. PC/Monitor mode switcher
2. HDMI 1.4 in connector
3. Ethernet connector
4. HDMI 1.4 out connector
5. USB 2.0 connectors (2)
6. USB 3.1 connector Gen 1 /
Gen 2*
Switch between PC mode and monitor mode manually.
Receive audio and video signals to the computer. For more information, see
https://www.hdmi.org/manufacturer/hdmi_1_4/index.aspx.
Connect to a local area network (LAN). When the green indicator is on, the
computer is connected to a LAN. When the yellow indicator blinks, data is being
transmitted.
Send audio and video signals from the computer to another audio or video device,
such as a high-performance monitor. For more information, see
www.hdmi.org/manufacturer/hdmi_1_4/index.aspx
Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB
storage device, or USB printer.
Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB
storage device, or USB printer.
.
Chapter 1. Meet your computer 3
https://
7. 3 in 1 SD card slot
Supported cards:
• Secure Digital (SD) card
• Secure Digital eXtended-Capacity (SDXC) USH-1 card
• Secure Digital High-Capacity (SDHC) USH-1 card
Note: Your computer does not support the content protection for recordable
media (CPRM) feature for the SD card.
See “Use a media card” on page 22.
8. USB 3.1 connectors Gen 1 /
Gen 2* (2)
9. Combo audio jack
10. Power adapter connector Connect the power adapter to your computer for power supply.
11. Power button
Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB
storage device, or USB printer.
Connect headphones or headsets with a 3.5-mm (0.14-inch), 4-pole plug.
Note: This jack does not support standalone external microphones. If you use
headsets, choose one with a single plug.
Press to turn on the computer.
To turn off the computer, open the Start menu, click
Shut down.
The indicator in the power button shows the system status of your computer.
• On: The computer is on.
• Off: The computer is off or in hibernation mode.
• Blinking: The computer is in sleep mode.
Power, and then select
* for A540–24ICB models only
4
IdeaCentre A540 Series User Guide
27–inch models
1. PC/Monitor mode switcher
2. HDMI 1.4 in connector
3. Ethernet connector
4. HDMI 1.4 out connector
5. USB 2.0 connectors (2)
6. USB-C
TM
connector (USB 3.1
Gen 1)
Switch between PC mode and monitor mode manually.
Receive audio and video signals to the computer. For more information, see
https://www.hdmi.org/manufacturer/hdmi_1_4/index.aspx.
Connect to a local area network (LAN). When the green indicator is on, the
computer is connected to a LAN. When the yellow indicator blinks, data is being
transmitted.
Send audio and video signals from the computer to another audio or video device,
such as a high-performance monitor. For more information, see
www.hdmi.org/manufacturer/hdmi_1_4/index.aspx
.
https://
Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB
storage device, or USB printer.
• Charge your computer.
• Charge USB-C compatible devices with the output voltage and current of 5 V
and 3 A.
• Transfer data at USB 3.1 speed, up to 5 Gbps.
• Connect to USB-C accessories to help expand your computer functionality. To
purchase USB-C accessories, go to
https://www.lenovo.com/accessories.
Chapter 1. Meet your computer 5
7. 3 in 1 SD card slot
Supported cards:
• Secure Digital (SD) card
• Secure Digital eXtended-Capacity (SDXC) USH-1 card
• Secure Digital High-Capacity (SDHC) USH-1 card
Note: Your computer does not support the content protection for recordable
media (CPRM) feature for the SD card.
See “Use a media card” on page 22.
8. USB 3.1 connectors Gen 2 (2)
9. Combo audio jack
10. Power adapter connector Connect the power adapter to your computer for power supply.
11. Power button
Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB
storage device, or USB printer.
Connect headphones or headsets with a 3.5-mm (0.14-inch), 4-pole plug.
Note: This jack does not support standalone external microphones. If you use
headsets, choose one with a single plug.
Press to turn on the computer.
To turn off the computer, open the Start menu, click
Shut down.
The indicator in the power button shows the system status of your computer.
• On: The computer is on.
• Off: The computer is off or in hibernation mode.
• Blinking: The computer is in sleep mode.
Power, and then select
6 IdeaCentre A540 Series User Guide
Bottom
1. Storage drive door*
2. Internal speakers (2)
* for 24–inch models only
Enable you to insert or remove the storage drive. You can use the latch to lock or
unlock the storage drive door.
Enable you to experience high-quality sound.
Chapter 1. Meet your computer 7
Features and specifications
1. Right-click the Start button to open the Start context menu.
Hardware configuration
2. Click Device Manager. Type the administrator password or provide
confirmation if prompted.
Electrical input
Adaptability for power supply
Microprocessor
Memory Double data rate 4 (DDR4) small outline dual in-line memory module (SODIMM)
Storage device
Display features
• Input voltage: From 100 V ac to 240 V ac
• Input frequency: 50/60 Hz
• Mainland China: 220 V±22 V, 50 Hz±1 Hz
• Adaptive voltage positioning: 90 V to 264 V, 50/60 Hz
• With voltage selection switch: 90 V to 264 V, 50 Hz±1 Hz
To view the microprocessor information of your computer, right-click the Start
button and then click System.
• 2.5-inch form factor, 7-mm (0.28-inch) height storage drive
• M.2 solid-state drive
®
• Intel
To know the storage drive capacity of your computer, right-click the Start button
and then click Disk Management.
Note: The storage drive capacity indicated by the system is less than the nominal
capacity.
• Color display with Thin Film Transistor (TFT) technology
• Color display with Wide Viewing Angle (WVA)
• Display size:
• Display resolution:
• Multi-touch technology*
• The integrated graphics card supports the following:
• The optional discrete graphics card provides an enhanced video experience
Optane™ memory*
– 609.6 mm (24 inches)
– 685.8 mm (27 inches)
– 1920 x 1080 pixels (24 inches)
– 2560 x 1440 pixels (27 inches)
– HDMI 1.4 in connector
– HDMI 1.4 out connector
and extended capabilities.
Audio features
8 IdeaCentre A540 Series User Guide
• The integrated audio card supports the following:
– Combo audio jack
– Integrated microphones
– Internal speakers
• The optional discrete audio card provides an enhanced audio experience and
extended capabilities.
• 3 in 1 SD card slot (SD, SDHC, SDXC)
• Memory slots
Expansion
Network features
Other features
• M.2 solid-state drive slot
• External optical drive*
• Storage drive bay
• Bluetooth
• Ethernet LAN
• Wireless LAN
• PC/Monitor mode switcher
• Wireless charging pad**
• Infrared camera/integrated camera
• Modern standby**
• Storage drive door**
* optional
** for selected models
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors on this device will vary and will be slower than the data rate listed
below for each corresponding device.
USB device Data rate (Gbit/s)
3.1 Gen 1
Gen 2
3.1
3.2 20
5
10
Chapter 1. Meet your computer 9
10 IdeaCentre A540 Series User Guide
Chapter 2. Get started with your computer
Adjust the computer stand
Note: For information about installing the computer stand, refer to the setup guide that comes with your
computer.
Tilt the screen forward and back.
Get started with Windows 10
Learn the basics of Windows 10 and start working with it right away. For more information about Windows
10, see the Windows help information.
Windows account
A user account is required to use the Windows operating system. It can either be a Windows user account or
a Microsoft account.
Windows user account
When you start Windows for the first time, you are prompted to create a Windows user account. This first
account you created is of the “Administrator” type. With an Administrator account, you can create additional
user accounts or change account types by doing the following:
1. Open the Start menu and select Settings ➙ Accounts ➙ Family & other users.
© Copyright Lenovo 2019 11
2. Follow the on-screen instructions.
Microsoft account
You can also log in to the Windows operating system with a Microsoft account.
To create a Microsoft account, go to the Microsoft sign-up page at
screen instructions.
With a Microsoft account, you can:
• Enjoy one-time signing in if you are using other Microsoft services, such as OneDrive, Skype, and Outlook.
com.
• Sync personalized settings across other Windows-based devices.
https://signup.live.com and follow the on-
Set up face recognition
If your computer includes a Windows Hello-compatible infrared camera, you can set up face recognition to
sign in with your face.
1. Open the Start menu and select Settings ➙ Accounts ➙ Sign-in options.
Note: If you are using a local account, the account must be password protected. Otherwise, you cannot
set face recognition.
2. Under Face Recognition, select Set up ➙ Get started.
3. Follow on-screen instructions to finish face recognition.
It is recommended that you create a PIN when prompted. A PIN can be used to sign in to Windows in cases
when face recognition does not work.
12
IdeaCentre A540 Series User Guide
Windows user interface
1. Account
2. Documents
3. Pictures
4. Settings
5. Power
6. Start button
7. Windows Search
8. Task View
9. Windows notification area
10. Battery status icon
11. Network icon
12. Action center
Change account settings, lock the computer, or sign out from the current account.
Open the Documents folder, a default folder to save your received files.
Open the Pictures folder, a default folder to save your received pictures.
Launch Settings.
Shut down, restart, or put the computer into sleep mode.
Open the Start menu.
Type what you are looking for in the search box and get search results from your
computer and the Web.
Display all opened apps and switch among them.
Display notifications and status of some features.
Display power status and change battery or power settings. When your computer
is not connected to ac power, the icon changes to
Connect to an available wireless network and display the network status. When
connected to a wired network, the icon changes to
Display the latest notifications from apps and provide quick access to some
features.
Open the Start menu
• Click the Start button.
• Press the Windows logo key on the keyboard.
.
.
Access Control Panel
• Open the Start menu and click Windows System ➙ Control Panel.
Chapter 2. Get started with your computer 13
• Use Windows Search.
Launch an app
• Open the Start menu and select the app you want to launch.
• Use Windows Search.
Connect to networks
Your computer helps you connect to the world through a wired or wireless network.
Connect to the wired Ethernet
Connect your computer to a local network through the Ethernet connector on your computer with an
Ethernet cable.
Connect to Wi-Fi networks
1. Click the network icon in the Windows notification area. A list of available wireless networks is displayed.
2. Select a network available for connection. Provide required information, if needed.
Lenovo Vantage and Lenovo PC Manager
Lenovo Vantage and Lenovo PC Manager is software developed by Lenovo. Using the software, you can:
• View product information
• View warranty and support information
• Run hardware scan and diagnose problems
• Change hardware settings
• Update Windows, drivers, and UEFI/BIOS
Lenovo Vantage or PC Manager may be pre-installed on your computer. To open it, enter the software name
in Windows Search and select the matched result.
Note: If Lenovo Vantage is not pre-installed, you can download it from Microsoft Store.
Use the multi-touch screen
If your computer display supports the multi-touch function, you can navigate the screen with simple touch
gestures.
Note: Some gestures might not be available depending on the app you use.
14
IdeaCentre A540 Series User Guide
Tap once
• From the Start menu: Open an app or item.
• From the desktop: Select an app or item.
• In an open app: Perform an action such as Copy
Delete, depending on the app.
Tap twice quickly
Open an app or item from the desktop.
, Save, and
Tap and hold
Open a shortcut menu.
Chapter 2. Get started with your computer 15
Slide
Scroll through items, such as lists, pages, and photos.
Drag an item to the location you want
Move an object.
Move two fingers closer together
Zoom out.
Move two fingers farther apart
Zoom in.
16 IdeaCentre A540 Series User Guide
Swipe in from the right edge
Open the action center to see your notifications and quick actions.
Swipe in from the left edge
View all your open windows in task view.
• Swipe downwards shortly from the top edge (for full-screened
app or when your computer is in the tablet mode)
Show a hidden title bar.
• Swipe in from the top edge to the bottom edge (when your
computer is in the tablet mode)
Close the current app.
Tips
• Turn off the computer before cleaning the multi-touch screen.
• Use a dry, soft, and lint-free cloth or a piece of absorbent cotton to remove fingerprints or dust from the
multi-touch screen. Do not apply solvents to the cloth.
• The multi-touch screen is a glass panel covered with a plastic film. Do not apply pressure or place any
metallic object on the screen, which might damage the touch panel or cause it to malfunction.
• Do not use fingernails, gloved fingers, or inanimate objects for input on the screen.
• Regularly calibrate the accuracy of the finger input to avoid a discrepancy.
Chapter 2. Get started with your computer 17
Use multimedia
Use your computer for business or entertainment with the devices (such as a camera, a monitor, or
speakers).
Use audio
To enhance the audio experience, connect speakers, headphones, or a headset to the audio connector.
Adjust the volume
1. Click the volume icon in the Windows notification area on the taskbar.
2. Follow the on-screen instructions to adjust the volume. Click the speaker icon to mute the audio.
Change the sound settings
1. Go to Control Panel and view by category.
2. Click Hardware and Sound ➙ Sound.
3. Change the settings as you prefer.
Use the camera
You can use the camera to take photos or record videos.
To take photos or record a video:
1. Open the Start menu and click Camera. You also can type Camera in the search box.
2. To take a photo, click the camera icon. If you want to record video, click the video icon to switch to
video mode.
If you use other programs that provide features such as photographing, video capturing, and video
conference, the camera starts automatically when you enable the camera-required feature.
To configure the camera settings:
1. Open the Start menu and click Lenovo Vantage ➙ Hardware Settings ➙ Audio/Visual.
2. Locate the Camera section and then follow the on-screen instructions.
Connect to an external display
Connect your computer to a projector or a monitor to give presentations or expand your workspace.
Connect to a wired display
1. Connect the external display to an appropriate video connector on your computer, such as the HDMIout connector.
2. Connect the external display to an electrical outlet.
3. Turn on the external display.
If your computer cannot detect the external display, right-click an empty area of the desktop, and then click
Display settings ➙ Detect.
Connect to a wireless display
To use a wireless display, ensure that both your computer and the external display support the Miracast
feature.
®
18
IdeaCentre A540 Series User Guide
• Open the Start menu, and then click Settings ➙ Devices ➙ Bluetooth & other devices ➙ Add
Bluetooth or other device. In the Add a device window, click Wireless display or dock. Then, follow the
instructions on the screen.
• Click the action center icon
in the Windows notification area and click Connect. Select the wireless
display and follow the on-screen instructions.
Set the display mode
Right-click a blank area on the desktop and select Display settings
. Then, select a display mode of your
preference from the Multiple displays menu.
• Duplicate these displays: Displays the same video output on both your computer screen and an external
display.
• Extend these displays: Extends the video output from your computer display to an external display. You
can drag and move items between the two displays.
• Show only on 1: Displays the video output only on your computer screen.
• Show only on 2: Displays the video output only on an external display.
If you show programs using DirectDraw or Direct3D
®
in full-screen mode, only the main display shows the
video output.
Change display settings
1. Right-click a blank area on the desktop and select Display settings
.
2. Select the display that you want to configure.
3. Change display settings of your preference.
You can change the settings for both the computer display and the external display. For example, you can
define which one is the main display and which one is the secondary display. You also can change the
resolution and orientation.
Note: If you set a higher resolution for the computer display than the external display, only part of the screen
can be displayed on the external display.
Chapter 2. Get started with your computer 19
20 IdeaCentre A540 Series User Guide
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