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 . . . . . . . . . . . . . Rear . . . . . . . . . . . . . Bottom . . . . . . . . . . . . Features and specifications . . . . Statement on USB transfer rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 7 8 9 Chapter 2. Get started with your computer . . . . . . . . . . . . . . . . 11 Adjust the computer stand . . . . . . Get started with Windows 10 . . . . .
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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.
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Chapter 1. Meet your computer Front 1. Integrated camera activity indicator The indicator is on when the camera is in use. 2. Integrated microphones (2) Capture or record sound and voice. Take pictures or record videos by clicking Camera from the Start menu. 3. Integrated camera* 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. 4.
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.
Rear 24–inch models 1. PC/Monitor mode switcher Switch between PC mode and monitor mode manually. 2. HDMI 1.4 in connector Receive audio and video signals to the computer. For more information, see https://www.hdmi.org/manufacturer/hdmi_1_4/index.aspx. 3. Ethernet connector 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. 4. HDMI 1.
Supported cards: • Secure Digital (SD) card • Secure Digital eXtended-Capacity (SDXC) USH-1 card 7. 3 in 1 SD card slot • 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) Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. 9.
27–inch models 1. PC/Monitor mode switcher Switch between PC mode and monitor mode manually. 2. HDMI 1.4 in connector Receive audio and video signals to the computer. For more information, see https://www.hdmi.org/manufacturer/hdmi_1_4/index.aspx. 3. Ethernet connector 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. 4. HDMI 1.
Supported cards: • Secure Digital (SD) card • Secure Digital eXtended-Capacity (SDXC) USH-1 card 7. 3 in 1 SD card slot • 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) Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. 9.
Bottom 1. Storage drive door* Enable you to insert or remove the storage drive. You can use the latch to lock or unlock the storage drive door. 2. Internal speakers (2) Enable you to experience high-quality sound. * for 24–inch models only Chapter 1.
Features and specifications 1. Right-click the Start button to open the Start context menu. Hardware configuration Electrical input 2. Click Device Manager. Type the administrator password or provide confirmation if prompted.
• 3 in 1 SD card slot (SD, SDHC, SDXC) • Memory slots Expansion • M.
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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.
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 https://signup.live.com and follow the onscreen 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.
Windows user interface 1. Account Change account settings, lock the computer, or sign out from the current account. 2. Documents Open the Documents folder, a default folder to save your received files. 3. Pictures Open the Pictures folder, a default folder to save your received pictures. 4. Settings Launch Settings. 5. Power Shut down, restart, or put the computer into sleep mode. 6. Start button Open the Start menu. 7.
• 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.
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, Save, and Delete, depending on the app. Tap twice quickly Open an app or item from the desktop. Tap and hold Open a shortcut menu. Chapter 2.
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.
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 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.
• 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.
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Chapter 3. Explore your computer Manage power Use the information in this section to achieve the best balance between performance and power efficiency. Set power button behaviors You can define what the power button does according to your preference. For example, by pressing the power button, you can turn off the computer or put the computer to sleep or hibernation mode. To change what the power button does: 1. Go to Control Panel and view by large icons or small icons. 2.
Your Bluetooth device and computer will automatically connect the next time if the two devices are in range of each other with Bluetooth turned on. You can use Bluetooth for data transfer or remote control and communication. Use the optical drive If your computer has an optical drive, read the following information. Know the type of your optical drive 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager.
Chapter 4. Troubleshooting and recovery This chapter provides solutions to resolve computer problems. Use the basic procedure as a starting point for resolving computer problems. Basic procedure for resolving computer problems Prerequisite Before you start, read Appendix A “Important safety information” on page 47 and print the following instructions. 1. Check that: a. The cables for all connected devices are connected correctly and securely. b. All components have been reassembled correctly. c.
Startup problems Problem Solution • Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet. The computer does not start up when you press the power button. • If the computer has a secondary power switch on the rear of the computer, ensure that it is switched on. • The power indicator on the front of the computer is on. • The computer voltage matches the voltage available at the electrical outlet for your country or region.
Screen problems Problem Solution • The computer voltage matches the voltage available at the electrical outlet for your country or region. • Press a key to exit the screen saver. The screen goes blank while the computer is on. • Press the power button to resume the computer from sleep or hibernation mode. • The brightness and contrast is set correctly. • If the screen goes blank when some programs start, install the device drivers for the programs.
Audio problems Problem Solution • If you are using powered external speakers that have an On/Off control, ensure that: – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet. • If your external speakers have a volume control, ensure that the volume is not set too low. • Click the volume icon in the Windows notification area on the taskbar. Check the speaker and volume settings.
Network problems Note: The Wi-Fi and Bluetooth features are optional. Problem Solution • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. • Enable the Ethernet LAN feature in UEFI BIOS. • Enable the Ethernet LAN adapter. 1. Go to Control Panel and view by large icons or small icons. 2. Click Network and Sharing Center ➙ Change adapter settings. The computer cannot connect to an Ethernet LAN. 3. Right-click the Ethernet LAN adapter icon and click Enable.
Problem Solution • Enable the Bluetooth feature in UEFI BIOS. • Enable all Bluetooth devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation, if prompted. 3. Expand Bluetooth to display all Bluetooth devices. Right-click each Bluetooth device, and then click Enable device. The Bluetooth feature does not work. 4. Expand Network adapters to display all network devices.
Performance problems Problem Solution Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1. Close any open programs and windows. 2. Open the Start menu. Excessive fragmented files exist on the storage drives. 3. Click Windows System ➙ File Explorer ➙ This PC. 4. Right-click your C drive and then click Properties. 5. Click the Tools tab. 6. Click Optimize.
CD or DVD problems Problem Solution • Ensure that the optical drive supports the CD or DVD. • Ensure that the disc is inserted correctly, with its label up. • Ensure that the disc you are using is clean. To remove dust or fingerprints, wipe the disc clean with a soft cloth from the center to the outside. Wiping a disc in a circular motion might cause loss of data. A CD or DVD does not work. • Ensure that the power cable and signal cable are securely connected to the drive.
Software problems Problem Solution 1. Check whether the problem is caused by a program. a. Ensure that the software is compatible with the computer. Refer to the information supplied with the software for more information. b. Verify that other software works correctly on the computer. c. Verify that the software you are using works on another computer. Some programs do not work as expected. 2.
• Restore the Windows operating system from a restore point recorded on your computer. • Restore the Windows operating system from a specific system image. • Fix problems that prevent the Windows operating system from loading. • Use the Command Prompt for advanced troubleshooting. • Change the UEFI firmware settings on your computer. • Change the startup settings of the Windows operating system. • Go back to the previous build.
Update the device driver Attention: Reinstalling device drivers will change the current configuration of the computer. You should download the latest driver for a component when you notice poor performance from that component or when you added a component. This action might eliminate the driver as the potential cause of a problem. Download and install the latest driver by one of the following methods: • From Lenovo Vantage: 1. Open the Start menu and click Lenovo Vantage. 2. Click System Update.
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Chapter 5. CRU replacement What are CRUs Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. Lenovo computers contain the following types of CRUs: • Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost. • Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater skill level.
• Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage drive on a soft material, such as cloth, to absorb physical shocks. Replacement procedure 1. Turn off the computer and remove all connected devices and cables. 2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the computer cover is against the surface and the screen is facing up. 3.
5. Remove the storage drive from the bracket. 6. Install the storage drive into the bracket. a. Insert the storage drive into the two pins on the right side of the bracket. b. Bend the left side of the bracket to install the other two pins. Chapter 5.
7. Install the storage drive and the bracket. 8. Lock the storage drive door. 9. Place the computer in an upright position. 10. Reconnect the ac power adapter and all disconnected cables to the computer. Hinge cover Prerequisite Before you start, read Appendix A “Important safety information” on page 47 and print the following instructions.
Before you open the hinge cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Turn off the computer and remove all connected devices and cables. 2. Position the computer to see the rear side of the computer. 3. Slightly press the hinge cover. Chapter 5.
4. Remove the hinge cover. 5. Install the hinge cover.
6. Slightly press the hinge cover until it snaps into position. 7. Reconnect the ac power adapter and all disconnected cables to the computer. 8. Position the computer to see the front side of the computer. Chapter 5.
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Chapter 6. Help and support Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems. Resources How to access? 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. • Protect you computer from malicious Wi-Fi networks.
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: • What is the problem? Is it continuous or intermittent? • Any error message or error code? • What operating system are you using? Which version? • Which software applications were running at the time of the problem? • Can the problem be reproduced? If so, how? 2.
Lenovo Customer Support Center During the warranty period, you can call Lenovo Customer Support Center for help. Telephone numbers For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist Note: Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative.
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Appendix A. Important safety information Safety notices This information can help you safely use your computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Limited Warranty. For more information, see "Warranty Information" in the Safety and Warranty Guide that comes with your computer. Customer safety is important. Our products are developed to be safe and effective.
• Damage to a battery (such as cracks, dents, or creases), discharge from a battery, or a buildup of foreign substances on the battery. • A cracking, hissing, or popping sound, or strong odor that comes from the product. • Signs that liquid has been spilled or an object has fallen onto the computer product, the power cord, or power adapter. • The computer product, power cord, or power adapter has been exposed to water. • The product has been dropped or damaged in any way.
Sharp Edges: 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. For Germany, it shall be H03VV-F, 3G, 0.75 mm2, or better. For other countries, the suitable types shall be used accordingly. Never wrap a power cord around a power adapter or other object.
For units intended to be operated at 115 volts: Use a UL-listed and CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord, a maximum of 15 feet in length and a parallel blade, grounding-type attachment plug rated 10 amperes, 125 volts. For units intended to be operated at 230 volts (U.S.
Plugs and outlets DANGER If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
Lithium coin-cell battery notice DANGER Danger of explosion if battery is incorrectly replaced. 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.
computer, power adapter, and many accessories produce some heat during normal operation. Extended contact with the body could cause discomfort or, potentially, a skin burn. • Do not charge the battery or operate your computer, power adapter, or accessories near flammable materials or in explosive environments. • Ventilation slots, fans, and heat sinks are provided with the product for safety, comfort, and reliable operation.
DANGER Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices. To connect: To disconnect: 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlets. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlets. 4. Remove all cables from devices. 5. Turn devices ON.
Liquid crystal display (LCD) notice DANGER To avoid shock hazards: • Do not remove the covers. • Do not operate this product unless the stand is attached. • Do not connect or disconnect this product during an electrical storm. • The power cord plug must be connected to a properly wired and grounded power outlet. • Any equipment to which this product will be attached must also be connected to properly wired and grounded power outlets.
Limits) or a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN 503322 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 Limitation Values).
Hazardous energy statement DANGER Disconnect all power cords from electrical outlets before removing the computer cover or any part that has the above label attached. DO NOT disassemble components that have the above label attached. There are no serviceable parts inside these components. Your product is designed for safe use. However, hazardous voltage, current, and energy levels are present inside any component that has this label attached.
Remote control CAUTION: Do not use rechargeable batteries in this device. Static electricity prevention Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can damage the part. When you unpack an option or CRU, do not open the static-protective package containing the part until the instructions direct you to install it.
Cleaning and maintenance With appropriate care and maintenance, your computer will serve you reliably. The following topics offer information to help you keep your computer working with best performance. Basic maintenance tips Here are some basic points about keeping your computer functioning properly: • Keep the computer in a clean, dry environment. Ensure that the computer rests on a flat, steady surface. • Do not cover any of air vents.
Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. It is a good practice to clean your computer periodically to protect the surfaces and ensure trouble-free operation. Clean the computer surface: Wipe it with a lint-free cloth dampened in mild soap and water. Avoid applying liquids directly to the surface.
Appendix B. Accessibility and ergonomic information 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. You also can get the most up-to-date accessibility information from the following Web site: https://www.
keyboard with all the standard keys. You can select keys using the mouse or another pointing device, or you can tap to select the keys if your computer supports multi-touch screen. • High Contrast High Contrast is a feature that heightens the color contrast of some text and images on your screen. As a result, those items are more distinct and easier to identify. • Personalized keyboard Adjust keyboard settings to make your keyboard easier to use.
– Change the size of all the items on your screen. 1. Right-click an empty area of the desktop and then click Display settings ➙ Display. 2. Change the item size by following the on-screen instructions. For some applications, your configuration might not take effect until you sign out and then sign in again. – Change the size of the items on a Web page. Press and hold Ctrl, and then press the plus-sign key (+) to enlarge or the minus-sign key (–) to reduce the text size.
Display: Position the display to maintain a comfortable viewing distance of 510 mm to 760 mm (20 inches to 30 inches). Avoid glare or reflections on the display from overhead lighting or outside sources of light. Keep the display screen clean and set the brightness to levels that enable you to see the screen clearly. Press the brightness control keys to adjust display brightness. Head position: Keep your head and neck in a comfortable and neutral (vertical, or upright) position.
Appendix C. Compliance information This chapter provides regulatory, environmental, RoHS, and ENERGY STAR information about Lenovo products. Radio frequency compliance statements Computer models equipped with wireless communications comply with the radio frequency and safety standards of any country or region in which it has been approved for wireless use.
This equipment is not protected against harmful interference and may not cause interference with duly authorized systems. Mexico Advertencia: En Mexico la operación de este equipo está sujeta a las siguientes dos condiciones: (1) es posible que este equipo o dispositivo no cause interferencia perjudicial y (2) este equipo o dispositivo debe aceptar cualquier interferencia, incluyendo la que pueda causar su operación no deseada. Singapore Korea 무선설비 전파 혼신 (사용주파수 2400∼2483.
The WEEE marking on Lenovo products applies to countries with WEEE and e-waste regulations (for example, the European WEEE Directive, India E-Waste Management Rules). Appliances are labeled in accordance with local regulations concerning waste electrical and electronic equipment (WEEE). These regulations determine the framework for the return and recycling of used appliances as applicable within each geography.
Disposal of a lithium battery must comply with local ordinances and regulations.
Disposing of battery packs from Lenovo products Your Lenovo device might contain a lithium-ion battery pack or a nickel metal hydride battery pack. You can find details on the battery pack in the product documentation. If you need to dispose of a battery pack, insulate it with vinyl tape, contact Lenovo sales, service, or your place of purchase, or a waste-disposal operator, and follow their instructions. You also can refer to the instructions provided in the user guide for your product.
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.
Taiwan RoHS Appendix C.
Electromagnetic emission notices Federal Communications Commission (FCC) Supplier’s Declaration of Conformity The following information refers to product models and respective machine types below. Model name Machine type (MT) IdeaCentre A540-27ICB F0EK IdeaCentre A540-24ICB F0EL IdeaCentre A540-24API F0EM 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.
Compliance with the EMC Directive This product is in conformity with the protection requirements of EU Council Directive 2014/30/EU on the approximation of the laws of the Member States relating to electromagnetic compatibility. 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.
Japan notice for ac power cord The ac power cord shipped with your product can be used only for this specific product. Do not use the ac power cord for other devices. Other compliance information This section provides other compliance information about Lenovo products. Export classification notice This product is subject to the United States Export Administration Regulations (EAR) and has an Export Classification Control Number (ECCN) of 5A992.c.
To enable or disable the ErP LPS compliance mode: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Power ➙ Enhanced Power Saving Mode and press Enter. 3. Depending on whether you select Enabled or Disabled, do one of the following: • If you select Enabled, press Enter. Then, select Power ➙ Automatic Power On and press Enter. Check whether the Wake on LAN feature is disabled automatically. If no, disable it. • If you select Disabled, press Enter.
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 a default power plan. To change the power plan, see “Set the power plan” on page 21.
Appendix D. Notices and trademarks Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local 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 performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
