If you want to charge these devices when your computer is in hibernation mode or is turned off, and the computer is not connected to ac power, do the following:

•For Windows 7: Start the Power Manager program and click the Global Power Settings tab. Then select the Enable USB charge from the computer battery even when the computer is off check box, and click OK or Apply.

•For Windows 8 and Windows 8.1: Press the Windows key to go to the Start screen. Click Lenovo Settings ➙ Power. Then select Enable USB charge from the computer battery even when the computer is off check box under Always On USB.

The Always-on USB connector also can be used as a USB 3.0 connector to connect devices compatible with a USB interface, such as a USB printer or a digital camera.

Attention: When you attach a USB cable to the connector, ensure that the USB mark is facing upward. Otherwise the connector might be damaged.

5

Media card reader slot

Your computer has a media card reader slot. Insert your flash media card into this slot to read the data on the card. For more information about the supported cards, see “Using a flash media card” on page 40.

6

Built-in stereo speaker (left)

For details, see Function keys.

Bottom view

Figure 4. Bottom view

 

 

Wireless WAN card slot or M.2 solid-state drive slot

 

 

Integrated battery

 

1

 

4

 

 

 

 

 

 

 

 

Emergency-reset hole

 

 

Hard disk drive, solid-state drive, or hybrid drive

 

2

5

 

 

 

 

 

 

 

 

Memory-upgrade slots

 

 

Wireless LAN card slot

 

3

6

 

 

 

 

 

 

1

Wireless WAN card slot or M.2 solid-state drive slot

For some models, a wireless WAN card might be installed for you to establish wireless WAN connections or an M.2 solid-state drive might be installed for data storage.

2

Emergency-reset hole

If the computer does not respond, remove the ac power adapter and reset the computer by inserting a straightened paper clip into the emergency-reset hole to turn off the computer.

6User Guide

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Lenovo S540 manual Bottom view, Media card reader slot, Built-in stereo speaker left, Emergency-reset hole
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S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.
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