• 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...
Log in to your computer with enrolled fingerprints. See “Use the fingerprint reader 3. Fingerprint reader* (for selected models)” on page 21. 4. Touchpad Performs finger touch and all the functions of a traditional mouse. * for selected models Lenovo IdeaPad S540-15IML User Guide...
• Connects to USB-C accessories to expand computer functionality. To 4. USB-C connector purchase USB-C accessories, go to https://www.lenovo.com/accessories Note: When the battery power is below 10%, the connected USB-C accessories might not work correctly. Connects headphones or a headset with a 3.5-mm (0.14-inch) and 4-pole plug to listen to the sound from the computer.
6. Always On USB 3.0 connector To charge the USB-compatible devices when your computer is off, in sleep mode, or in hibernation mode, enable the Always On USB feature on your computer. See “Enable/Disable always-on” on page 24. Lenovo IdeaPad S540-15IML User Guide...
Features and specifications • Width: 358 mm (14.09 inches) Dimensions • Depth: 245 mm (9.65 inches) • Thickness: 16.9 mm (0.67 inches) Power source (ac power • Sine-wave input at 50 Hz to 60 Hz adapter) • Input rating of the ac power adapter: 100 V to 240 V ac, 50 Hz to 60 Hz •...
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 3.1 Gen 2 Lenovo IdeaPad S540-15IML User Guide...
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. • Use Windows Search. Lenovo IdeaPad S540-15IML User Guide...
Launch an app • Open the Start menu and select the app you want to launch. • Use Windows Search. Windows label Your computer might have a Windows 10 Genuine Microsoft label affixed to its cover depending on the following factors: •...
Open the Start menu and click Lenovo Vantage. You also can type in the search box. To download the latest version of Lenovo Vantage, go to Microsoft Store and search by the app name. Key features Lenovo Vantage makes periodic updates of the features to keep improving your experience with your computer.
Interact with your computer Your computer provides you various ways to navigate the screen. Hotkeys Some keys on the keyboard are printed with icons. These keys are called hotkeys and can be pressed alone or in combination with the Fn key to access certain Windows functions or settings quickly. The functions of hotkeys are symbolized by the icons printed on them.
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 then click Lenovo Vantage Hardware Settings Audio/Visual.
Page 19
Connect a wireless display ® To use a wireless display, ensure that both your computer and the external display support the Miracast • Open the Start menu, and then click Settings Devices Bluetooth & other devices Bluetooth or other device. In the Add a device window, click Wireless display or dock. Then follow the on-screen instructions.
Note: To maximize the life of the battery, the computer does not start recharging the battery if the remaining power is greater than 95%. Check the battery temperature 1. Open the Start menu and click Lenovo Vantage. 2. Click Hardware Settings Power.
3. Insert the card firmly into the card slot. Remove the card Attention: Before removing a card, eject the card from the Windows operating system first. Otherwise, data on the card might get corrupted or lost. Lenovo IdeaPad S540-15IML User Guide...
1. Click the triangular icon in the Windows notification area to show hidden icons. Then, right-click the Safely Remove Hardware and Eject Media icon. 2. Select the corresponding item to eject the card from the Windows operating system. 3. Press the card and remove it from your computer. Store the card safely for future use. Airplane mode When the Airplane mode is enabled, all wireless features are disabled.
Attention: If you forget the administrator password, a Lenovo authorized service personnel cannot reset your password. You must take your computer to a Lenovo authorized service personnel 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.
Lenovo authorized service personnel cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized service personnel 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.
Note: If you start the setup utility using the user password, you cannot set hard disk password. Step 3. Follow on-screen instructions to set both the master and the user passwords. Note: The master and user hard disk passwords must be set at the same time. Step 4.
Step 3. Select Exit Exit Saving Changes. Note: If Lenovo Vantage (software) is pre-installed on your computer, you can also enable/disable always-on in it. Update UEFI/BIOS When you install a new program, device driver, or hardware component, you might need to update UEFI/ BIOS.
Restore system files and settings to an earlier point 1. Go to Control Panel and view by Large icons or Small icons. 2. Click Recovery Open System Restore. Then follow the on-screen instructions. Restore your files from a backup If you use the File History tool to restore your files from a backup, ensure that you backed up your data earlier with the tool.
Page 32
Windows recovery programs are damaged. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to https:// pcsupport.lenovo.com/supportphonelist...
3. Wait until you are certain that all the liquid is dry before turning on your computer. Where can I get the latest device • From Lenovo Vantage. See “Update UEFI/BIOS” on page 24. drivers and UEFI/BIOS? • Download from Lenovo Support Web site at https://support.lenovo.com...
Use Lenovo Vantage to: • Download and install the latest drivers and firmware. • Configure hardware settings. • Open the Start menu and click Lenovo Vantage. • Diagnose computer hardware problems. • Use Windows Search. • Check the computer warranty status.
Call Lenovo If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center. Before you contact Lenovo Prepare the following before you contact Lenovo: 1. Record the problem symptoms and details: •...
• Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service. • Engineering change management - Occasionally, there might be changes that are required after a product has been sold.
Page 38
Before moving a computer equipped with a hard disk drive, do one of the following: • Turn it off. • Put it in sleep mode. • Put it in hibernation mode. This helps to prevent damage to the computer, and possible loss of data. Lenovo IdeaPad S540-15IML User Guide...
Page 39
Customer Support Center for further guidance. For a list of Service and Support phone numbers, see the following Web site: https://pcsupport.lenovo.com/supportphonelist Frequently inspect your computer and its components for damage or wear or signs of danger. If you have any question about the condition of a component, do not use the product. Contact the Customer Support Center or the product manufacturer for instructions on how to inspect the product and have it repaired, if necessary.
Page 40
Note: If you notice these conditions with a product (such as an extension cord) that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement.
Page 41
When replacing CRUs, be cautious of sharp edges or corners that might cause injury. If you suffer an injury, seek medical care immediately. Power cords and power adapters DANGER Use only the power cords and power adapters supplied by the product manufacturer. The power cords shall be safety approved.
Page 42
1394 cables while the computer power is on; otherwise, you might damage your computer. To avoid possible damage to attached devices, wait at least five seconds after the computer is shut down to disconnect external devices. Lenovo IdeaPad S540-15IML User Guide...
Page 43
Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts. A battery other than the one specified by Lenovo, or a disassembled or modified battery is not covered by the warranty.
Page 44
If the coin-cell battery is not a CRU, do not attempt to replace the coin-cell battery. Replacement of the battery must be done by a Lenovo-authorized repair facility or technician. The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local laws and regulations.
Page 45
Heat and product ventilation DANGER Computers, ac power adapters, and many accessories can generate heat when turned on and when batteries are charging. Notebook computers can generate a significant amount of heat due to their compact size. Always follow these basic precautions: •...
Page 46
The power cord may be reconnected to the wall outlet or receptacle only after all other electrical cables have been connected to the computer. DANGER During electrical storms, do not perform any replacement and do not connect the telephone cable to or disconnect it from the telephone outlet on the wall. Lenovo IdeaPad S540-15IML User Guide...
Page 47
2 can be dangerous due to excessive sound pressure levels. If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5...
Page 48
When this is not possible, place the static-protective packaging on a smooth, level surface and place the part on it. • Do not place the part on the computer cover or other metal surface. Lenovo IdeaPad S540-15IML User Guide...
Page 49
• When picking up your open computer, hold it by the bottom. Do not pick up or hold your computer by the display. • Only an authorized Lenovo repair technician should disassemble and repair your computer. • Do not modify or tape the latches to keep the display open or closed.
Page 50
Wipe or dust the stain gently with a soft, dry cloth. If the stain remains, moisten a soft, lint-free cloth with water or eyeglass cleaner, but do not apply liquids directly to your computer screen. Ensure that the computer screen is dry before closing it. Lenovo IdeaPad S540-15IML User Guide...
This chapter provides information about accessibility and ergonomics. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience.
Page 52
You can make the items on your screen easier to read by changing the item size. • To change the item size temporarily, use the Magnifier tool in Ease of Access Center. • To change the item size permanently: Lenovo IdeaPad S540-15IML User Guide...
Page 53
Your computer provides industry-standard connectors that enable you to connect assistive devices. Documentation in accessible formats Lenovo provides electronic documentation in accessible formats, such as properly tagged PDF files or HyperText Markup Language (HTML) files. Lenovo electronic documentation is developed to ensure that visually impaired users can read the documentation through a screen reader.
Page 54
Any concentrated and sustained visual activity can be tiring. If you have questions on eye fatigue or visual discomfort, consult a vision-care specialist for advice. Lenovo IdeaPad S540-15IML User Guide...
Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the installation of option cards from other manufacturers. This product has been tested and found to comply with the limits for Class B equipment according to European Standards harmonized in the Directives in compliance.
Page 56
Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information about recycling Lenovo products, go to: https://www.lenovo.com/recycling...
Page 57
Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
Page 58
Lenovo sales, service, or marketing, and follow that person's instructions. You also can refer to the instructions at: https://www.lenovo.com/jp/ja/environment/recycle/battery/ If you use a Lenovo notebook computer at home and need to dispose of a battery, you must comply with local ordinances and regulations. You also can refer to the instructions at: https://www.lenovo.com/jp/ja/environment/recycle/battery/ Recycling information for Brazil Declarações de Reciclagem no Brasil...
Page 59
If the battery needs to be replaced, contact your place of purchase or contact Lenovo for service. If you need to dispose of a lithium battery, insulate it with vinyl tape, contact your place of purchase or a waste-disposal operator, and follow their instructions.
Page 60
For more information about Lenovo worldwide compliance on RoHS, go to: https://www.lenovo.com/rohs-communication Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Waste Electrical and Electronic Equipment (WEEE). Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management) Rules.
Page 62
Federal Communications Commission (FCC) Supplier’s Declaration of Conformity The following information refers to Lenovo IdeaPad S540-15IML, machine type(s): 81NG. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Page 63
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the user’s authority to operate the equipment.
Page 64
Klasse B. Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Meitnerstr. 9, D-70563 Stuttgart. Japan VCCI Class B compliance statement...
Page 65
Other compliance information This section provides other compliance information about Lenovo products. Regulatory labels Depending on your country or region, you can find the government-required regulatory information through one of the following methods: • On a physical label attached to the outside of your computer shipping carton •...
Page 66
ENERGY STAR, go to https://www.energystar.gov Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations. To help in this endeavor, Lenovo has preset the following power-management features to take effect when your computer has been inactive for a specified length of time.
Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
Page 68
Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice.