1

Camera

Use the camera to take pictures or hold a video conference. For more information, see “Using the camera” on page 33.

2

Microphones

The microphones capture sound and voice when used with a program capable of handling audio.

3

Power button

Use the power button to turn on the computer.

To turn off the computer, use the Start menu shutdown option on the Microsoft® Windows® 7 operating system. For the Microsoft Windows 8 operating system, move the cursor to the bottom-right corner of the screen to display the charms. Then click Settings ➙ Power ➙ Shut down.

If your computer stops responding and you cannot turn it off, press and hold the power button for four seconds or more. If the computer still is not responding, 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. To locate the emergency reset hole, see “Bottom view” on page 5.

You also can program the power button so that by pressing the power button you can turn off the computer or put the computer into sleep or hibernation mode. To achieve this, you need to change your power plan settings. To access power plan settings, do the following:

•

•

4

For Windows 7: Start the Power Manager program and then click the Power Plan tab. For instructions on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7 operating system” on page 11.

For Windows 8: Click the battery status icon from the Windows notification area and click More power options ➙ Choose what the power buttons do.

Fingerprint reader (on some models)

Some models have a fingerprint reader. The fingerprint authentication technology enables you to use your fingerprint to start the computer, enter the ThinkPad Setup program, or enter the Windows operating system. For more information, see “Using the fingerprint reader” on page 46.

ThinkPad® pointing device

5

6

TrackPoint pointing stick Touch pad

The keyboard contains the Lenovo unique ThinkPad pointing device. Pointing, selecting, and dragging are all part of a single process that you can perform without moving your fingers from a typing position. For more information, see “Using the ThinkPad pointing device” on page 20.

2User Guide

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Lenovo T431s, 20AA000BUS, 20AA000MUS manual Camera, Microphones, Power button, Fingerprint reader on some models
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20AA, T431s, 20AA000MUS, 20AA000BUS specifications

The Lenovo ThinkPad series has long been a favorite among business professionals and tech enthusiasts alike, and the Lenovo 20AA000BUS, 20AA000MUS, and T431s models exemplify the brand's commitment to innovation, performance, and rugged design. These laptops are designed for enterprise users who require reliability and versatility in their everyday tasks.

The Lenovo 20AA000BUS model features a robust Intel Core processor that ensures smooth multitasking and quick application launches. Paired with a generous amount of RAM, users can easily run demanding applications and simultaneously manage numerous browser tabs without a hitch. The full HD display provides sharp visuals and vibrant colors which enhance productivity, whether one is working on spreadsheets, watching videos, or conducting presentations.

In terms of connectivity, these models boast several USB ports, HDMI output, and an SD card reader, which facilitate seamless integration with various peripherals and external devices. With the inclusion of robust wireless options, including Wi-Fi and Bluetooth, users can stay connected throughout their workspaces and collaborate effortlessly with coworkers.

Security features are a priority for Lenovo, and the 20AA000MUS model does not disappoint. Built with a fingerprint reader and a webcam privacy shutter, users can feel confident in their data safety. Lenovo's Trusted Platform Module (TPM) technology further enhances system security by encrypting sensitive data.

The T431s, a prominent model in this lineup, prides itself on its sleek and lightweight design, making it easily portable for professionals on the go. The carbon fiber and magnesium alloy chassis not only lends to its durability but also ensures that it withstands the rigors of daily travel.

Battery life is another highlight of these models, capable of lasting through an entire workday, which is a significant advantage for users who often find themselves away from power sources. The Quick Charge feature allows for rapid recharging, ensuring that users can quickly power up their devices before heading into meetings or events.

Overall, the Lenovo 20AA000BUS, 20AA000MUS, and T431s represent a blend of advanced technology, user-centric design, and robust security features. They stand out as reliable companions for professionals seeking efficiency and performance in their computing devices. Whether in the office or on the move, these laptops meet the demanding needs of the modern workforce.
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