10When you attach a mechanical lock to the security keyhole, the eject button is locked so that the computer cannot be removed from the ThinkPad Mini Dock Plus Series 3.

Attaching a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock Series 3, or ThinkPad Mini Dock Plus Series 3

To attach your computer to a ThinkPad Port Replicator Series 3, a ThinkPad Mini Dock Series 3, or a ThinkPad Mini Dock Plus Series 3, do the following:

The following drawings are for the ThinkPad Mini Dock Series 3 or the ThinkPad Mini Dock Plus Series 3. The procedure is the same for the ThinkPad Port Replicator Series 3.

Notes:

•Before you attach the computer to a ThinkPad Port Replicator Series 3, a ThinkPad Mini Dock Series 3, or a ThinkPad Mini Dock Plus Series 3, disconnect an ac power adapter from the computer.

•If your computer is operating, make sure that it has finished any operations involving devices that are connected to a USB connector and a USB/eSATA connector. Also make sure that any connection to an Ethernet port has ended.

•Before you attach your computer to a ThinkPad Mini Dock Series 3, or a ThinkPad Mini Dock Plus Series 3), make sure that the system lock key is in place and in the unlocked (horizontal) position.

1.To attach your computer, make sure that the system lock key is in place and in the unlocked (horizontal) position for the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock Plus Series 3. Make sure that the mechanical lock is detached for the ThinkPad Port Replicator Series 3.

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Lenovo X220 TABLET, X220I TABLET, X220-4287, 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.
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