•Turn off your computer before you replace the hard disk drive, solid-state drive, or hybrid drive.

•After you replace the primary hard disk drive, solid-state drive, or hybrid drive, reattach the cover of the drive slot.

•Store your external and removable hard disk drives or optical drives in appropriate containers or packaging when they are not being used.

•Before you install any of the following devices, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the device.

Note: Not all listed devices are included in your computer.

–Memory card, such as an SD card, SDHC card, SDXC card, and a MultiMediaCard

–Memory module

–Wireless LAN card

–Wireless WAN card

•When transferring data to or from a flash media card, such as an SD card, do not put your computer in sleep or hibernation mode before the data transfer is complete; otherwise, your data could become damaged.

Taking care in setting passwords

•Remember your passwords. If you forget a supervisor or hard disk password, Lenovo will not reset it, and you might have to replace your system board, hard disk drive, solid-state drive, or hybrid drive.

Taking care of the fingerprint reader

The following actions could damage the fingerprint reader or cause it not to work properly:

•Scratching the surface of the fingerprint reader with a hard, pointed object.

•Scraping the surface of the fingerprint reader with your fingernail or anything hard.

•Using or touching the fingerprint reader with a dirty finger.

If you notice any of the following conditions, gently clean the surface of the fingerprint reader with a dry, soft, lint-free cloth:

•The surface of the fingerprint reader is dirty or stained.

•The surface of the fingerprint reader is wet.

•The fingerprint reader often fails to enroll or authenticate your fingerprint.

Registering your computer

•Register your ThinkPad computer with Lenovo at http://www.lenovo.com/register. For more information, see “Registering your computer” on page 19.

Be sure not to modify your computer

•Only an authorized ThinkPad repair technician should disassemble and repair your computer.

•Do not modify or tape the latches to keep the display open or closed.

Cleaning the cover of your computer

Occasionally clean your computer by doing the following:

1.Prepare a mixture of a gentle kitchen-use detergent (one that does not contain abrasive powder or strong chemicals such as acid or alkaline). Use 5 parts water to 1 part detergent.

2.Absorb the diluted detergent into a sponge.

104User Guide

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Lenovo S540 Cleaning the cover of your computer, Taking care in setting passwords, Taking care of the fingerprint reader
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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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