1

4

Wireless WAN (auxiliary) and Wireless LAN/WiMAX (auxiliary)

Wireless LAN (third), Wireless WAN (main), and Wireless LAN/WiMAX (main)

The built-in antennas for the wireless communication are located at the top left and the top right portions of your computer display.

For the specific locations of each antenna, refer to “Location of the UltraConnect wireless antennas” on page 244.

2

Integrated camera

Some models have the integrated camera. By using this camera, you can take pictures or hold a video conference.

For more information about how to use the camera, refer to “Using an integrated camera” on page 78.

3

Built-in microphones

The built-in microphones capture sound and voice when they are used with an application program capable of handling audio.

5

Computer display

The high-resolution, thin-film transistor (TFT) display provides clear and brilliant text and graphics.

For details, refer to the instructions in “Changing display settings” on page 70.

6

Fingerprint reader

Some models have the fingerprint reader. The fingerprint authentication technology enables you to use your fingerprint to start the computer and enter the ThinkPad Setup.

For details, refer to the instructions in “Using a fingerprint reader” on page 100.

7

Power switch

Use the power switch to turn on the computer. To turn off your computer, use the Start menu shutdown options.

If you cannot turn off the computer by this method, press and hold the power switch for 2 seconds.

If your computer stops responding, and you cannot turn it off, press and hold the power switch for 4 seconds or more. If the system is still not reset, remove the ac power adapter and the battery.

The power switch can also be programmed via Power Manager to shut down the computer or put it into sleep (standby) or hibernation.

8

ThinkVantage button

You can use the ThinkVantage button to interrupt the startup sequence of your computer and start the Rescue and Recovery workspace, which runs independently of the Windows operating system and is hidden from it.

Note: If your computer is a Windows 7 model, you can press ThinkVantage button to open Lenovo ThinkVantage Toolbox.

9

PCI Express Mini Card slot for wireless LAN/WiMAX

Your computer might include a PCI Express Mini Card in the PCI Express Mini Card slot which enables wireless LAN/WiMAX communications.

6User Guide

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Lenovo 4294CTO, X220I TABLET, X220 TABLET, X220-4287, 42872W5, 42875TU, 4290WFZPC10D518, 42912XU, 429133U Integrated camera
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4291BR6PC10B616, 42875TU, 428742U, 4294CTO, X220-4287 specifications

Lenovo's X220i, X220i Tablet, and their respective models such as 42872W5, 42912XU, and 429133U are part of the ThinkPad series, renowned for their reliability, performance, and innovative features tailored for both business and personal use. The X220i and X220i Tablet stand out in the ultrabook category, offering a perfect balance between portability and functionality, making them ideal for professionals on the go.

The X220i features a 12.5-inch display, which delivers vibrant visuals and clear text, ensuring users can work efficiently in various lighting conditions. The display options may include HD resolutions with anti-glare technology, minimizing reflections and enhancing visibility. The X220i Tablet takes portability a step further by incorporating touchscreen capabilities, allowing for a more interactive experience, which is particularly useful for presentations and drawing applications.

Under the hood, both models are powered by Intel Core processors, providing solid performance for multitasking and demanding applications. The X220i comes with options for up to 8GB of RAM, ensuring smooth operation even when handling multiple applications simultaneously. Storage options typically include fast SSDs, which not only enhance boot times but also improve file access speeds, contributing to overall responsiveness.

A key feature of the ThinkPad series is its exceptional build quality. The X220i and X220i Tablet are constructed with durable materials, including magnesium alloy and reinforced hinges, designed to withstand the rigors of daily use. Additionally, they are tested against military specifications, ensuring reliability in challenging conditions.

Connectivity options are extensive, featuring USB 3.0 ports, a VGA port, and HDMI, allowing users to connect to various peripherals and external displays. Advanced wireless connectivity options such as Wi-Fi and Bluetooth enable seamless communication and file sharing.

Battery life is another area where the X220i series excels. The laptops are designed to last an extended period on a single charge, often exceeding 8 hours, making them suitable for long workdays without the need for a power outlet.

In conclusion, the Lenovo X220i, X220i Tablet, and their variants like 42872W5, 42912XU, and 429133U are exemplary devices that blend portability, performance, and durability. Ideal for professionals and students alike, these devices cater to a range of computing needs while maintaining a compact and lightweight profile.
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