Maintaining the fingerprint reader

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

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

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

Using or touching the reader with a dirty finger.

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

The surface of the reader is dirty or stained.

The surface of the reader is wet.

The reader often fails to enroll or authenticate your fingerprint.

If your finger has any of the following conditions, you might not be able to register or authenticate it:

Your finger is wrinkled.

Your finger is rough, dry, or injured.

Your finger is stained with dirt, mud, or oil.

The surface of your finger is different from when you enrolled your fingerprint.

Your finger is wet.

A finger is used that has not been enrolled.

To improve the situation, try the following:

Clean or wipe your hands to remove any excess dirt or moisture from the fingers.

Enroll and use a different finger for authentication.

If your hands are dry, apply lotion to them.

For more information on how to use the fingerprint reader, refer to the help system of the Lenovo Fingerprint Manager program.

Chapter 4. Security 55

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Lenovo S540 manual Maintaining the fingerprint reader

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.