Lenovo X220I TABLET, X220 TABLET, X220-4287, 42872W5, 42875TU, 4290WFZPC10D518, 42912XU User Guide

Models: 4291BR6PC10B616 42875TU 428742U 4294CTO X220-4287 X220 TABLET 4290WFZPC10D518 X220 429133U 42912XU 42872W5 X220I TABLET X220I

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Some ThinkPad models have a PCI Express Mini Card slot for connection to a wireless WAN. To replace the PCI Express Mini Card with a new one, read the following prerequisites.

Prerequisites for the procedure

DANGER

During electrical storms, do not connect the cable to or disconnect it from the telephone outlet on the wall.

DANGER

Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, disconnect the cables before opening the cover of this slot.

Attention: Before you start installing a PCI Express Mini Card, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the card.

If a Wireless WAN is available in your computer, to replace the PCI Express Mini Card, do as follows.

1.Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait for a few minutes, till the inside of the computer cools, before you start the following procedures.

2.Close the computer display, and turn the computer over.

3.Remove the battery. For details, refer to the instructions in “Remove the battery” on page 116.

4.Remove the keyboard. For details, refer to the instructions in “Replacing the keyboard” on page 118.

5.Remove the palm rest. For details, refer to the instructions in “Remove the palm rest” on page 122.

6.If a tool for removing connectors is included in the package with the new card, use it to disconnect the cables from the card. If no such tool is included, disconnect the cables by picking up the connectors with your fingers and gently unplugging them.

Note: Depending on the system configuration of your computer, the card may have only one connector.

138User Guide

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Lenovo X220I TABLET, X220 TABLET, X220-4287, 42872W5, 42875TU, 4290WFZPC10D518, 42912XU, 429133U, 4291BR6PC10B616 User Guide

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.