Manuals / Lenovo / Computer Equipment / Laptop

Lenovo X220-4287, X220I TABLET, X220 TABLET, 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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•If your computer and the ThinkPad Port Replicator Series 3, the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock Plus Series 3 are connected to separate ac power adapters, your computer goes into battery mode first, and then shifts into ac mode.

•If in either of the two preceding situations the battery of your computer is detached, or has no battery charge, your computer shuts down.

Connecting an external display to the ThinkPad Mini Dock Plus Series 3

Group 1 (top figure) and Group 2 (lower figure) are independent of each other. Each has a DisplayPort and a digital visual interface. If you connect a display to a DisplayPort and a DVI that are in the same group, the DisplayPort is inactive.

Detaching a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, and ThinkPad Mini Dock Plus Series 3

To detach your computer from the ThinkPad Mini Dock Series 3, and the ThinkPad Mini Dock Plus Series 3, do the following:

1.Make sure that:

•The devices connected to USB connectors are not in use.

•The connection to an Ethernet port has been ended.

•The devices connected to an eSATA port are not in use (ThinkPad Mini Dock Plus Series 3).

2.Make sure that the system lock key of the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock Plus Series 3 is in place and in the unlocked (horizontal) position.

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