DANGER

Reduce the risk of fire and electric shock by always following basic safety precautions, including the following:

vDo not use your computer in or near water.

vDuring electrical storms:

–Do not use your computer with the telephone cable connection.

–Do not connect the cable to or disconnect it from the telephone outlet on the wall.

DANGER

If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury:

vReplace only with a battery of the type recommended by IBM, or an equivalent.

vKeep the battery pack away from fire.

vDo not expose it to water or rain.

vDo not attempt to disassemble it.

vDo not short-circuit it.

vKeep it away from children.

Do not put the battery pack in trash that is disposed of in landfills. When disposing of the battery, comply with local ordinances or regulations and your company’s safety standards.

DANGER

If the backup battery is incorrectly replaced, there is danger of explosion.

The lithium battery contains lithium and can explode if it is not properly handled or disposed of.

Replace only with a battery of the same type.

To avoid possible injury or death, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100 °C (212 °F), or (3) attempt to repair or disassemble it. Dispose of it as required by local ordinances or regulations and your company’s safety standards.

40ThinkPad® A21e Service and Troubleshooting Guide

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IBM manual ThinkPad A21e Service and Troubleshooting Guide
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A21e specifications

The IBM A21e is a notable entry in the realm of Lenovo's ThinkPad series, primarily aimed at the educational sector and consumers seeking a reliable, budget-friendly option. Released as a part of IBM's initiative to enhance educational technology, the A21e brings together essential features, practical technologies, and robust characteristics that cater to students and everyday users alike.

One of the most distinguishing features of the A21e is its display. The laptop typically comes with a 14.1-inch screen, offering a resolution of 1024 x 768 pixels. This size provides a balance between portability and usability, making it ideal for students who need to carry their devices between classes without sacrificing screen real estate.

The keyboard is another highlight of the A21e. Renowned for its tactile feedback and comfortable typing experience, the spill-resistant keyboard enables users to write long essays or perform programming tasks with ease. Additionally, the laptop's design includes function keys that make it convenient to perform common computing tasks swiftly.

Under the hood, the A21e is powered by Intel processing technology, typically featuring Intel Celeron or Pentium processors. This ensures that the device is equipped to handle daily tasks such as word processing, web browsing, and multimedia playback. The laptop usually features a discrete graphics option for users who may require a bit more graphical power, catering to casual gamers or multimedia creators.

The memory options for the A21e generally range up to 1GB of RAM, which supports smooth multitasking for basic applications. With a hard drive capacity extending to 40GB or more, users have ample storage for documents, media files, and educational resources. It also features a DVD-ROM drive, allowing for the playback of multimedia and installation of software from physical media.

Connectivity-wise, the IBM A21e supports a variety of ports, including USB 1.1 for peripheral connections, a multimedia card slot, and an Ethernet port for networking capabilities. This emphasis on connectivity ensures that users can integrate the laptop into diverse environments, whether for classroom use or home study.

The laptop's build quality contributes to its perceived durability. With rugged features designed to withstand the rigors of school life, the A21e stands as a practical choice for students and educational institutions alike. Overall, the IBM A21e combines essential features with flexible technologies, making it an enduring tool for learning and productivity.
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