unplug it from the power source and telecommunication lines until you can speak to the Customer Support Center for further guidance. See “Information resources” on page xiii.

vPower cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken or damaged.

vSigns of overheating, smoke, sparks or fire.

vDamage to a battery (such as cracks, dents, creases), discharge from a battery, or a buildup of foreign substances on the battery.

vA cracking, hissing or popping sound, or strong odor that comes from the product.

vSigns that liquid has been spilled or an object has fallen onto the computer product, the power cord or power adapter.

vThe computer product, the power cord or power adapter has been exposed to water.

vThe product has been dropped or damaged in any way.

vThe product does not operate normally when you follow the operating instructions.

Note: If you notice these conditions with a product (such as an extension cord) that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement.

General safety guidelines

Always observe the following precautions to reduce the risk of injury and property damage.

Service

Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center. Use only a service provider who is approved to repair your particular product.

Note: Some parts can be upgraded or replaced by the customer. These parts are referred to as Customer Replaceable Units, or CRUs. Lenovo expressly identifies CRUs as such, and provides documentation with instructions when it is appropriate for customers to replace those parts. You must closely follow all instructions when performing such replacements. Always make sure that the power is turned off and that the product is unplugged from any power source before you attempt the replacement. If you have any questions or concerns, contact the Customer Support Center.

Although there are no moving parts in your computer after the power cord has been disconnected, the following warnings are required for proper UL certification.

viUser Guide

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Lenovo TC A52-8155, 8215, 8157, 8158, 8159, 8156, 9210, 9211, 8116 manual General safety guidelines, Service

9211, 9210, 8159, 8116, 8158 specifications

Lenovo has been a prominent player in the realm of computing technology, and its range of devices continues to impress with innovative features and robust performance. Among its diverse lineup, the Lenovo 8157, 8156, TC A52-8155, 8215, and 8158 stand out as notable models equipped with advanced technologies and exceptional characteristics.

The Lenovo 8157 is designed for users who seek a powerful computing experience. It typically features high-performance Intel processors that deliver swift multitasking capabilities, alongside ample RAM for seamless operation. The device integrates a vibrant display, ensuring that visuals are sharp and clear, making it ideal for both productivity tasks and entertainment.

Moving to the Lenovo 8156, this model emphasizes a balance between performance and portability. It often includes extensive battery life, allowing users to work on the go without frequent recharges. Enhanced graphics support also characterizes this device, catering to users who enjoy gaming or graphic design applications.

The TC A52-8155 offers a compelling option for businesses and home office setups. It typically includes a spacious hard drive for storage, making it suitable for users who require substantial space for applications and files. Enhanced connectivity features are also a highlight, ensuring that users can easily link their devices to networks and peripherals.

Lenovo’s 8215 model is distinguished by its user-centric design. Its ergonomic build and lightweight structure enhance usability, making it a favorite among professionals who travel frequently. Coupled with Lenovo’s proprietary software solutions, such as security features and recovery options, the 8215 ensures a secure and reliable user experience.

Finally, the Lenovo 8158 is geared towards users looking for versatility and strength. This model often comes with advanced thermal management technology, ensuring the device remains responsive even under heavy workloads. With excellent wireless capabilities and a suite of multimedia features, the 8158 is designed to cater both to work demands and entertainment needs.

In conclusion, the Lenovo 8157, 8156, TC A52-8155, 8215, and 8158 represent a diverse range of devices that cater to different user requirements. With their powerful hardware, innovative designs, and user-friendly features, Lenovo continues to deliver products that combine performance and practicality, making them suitable for a wide array of consumers, from casual users to business professionals.