Chapter 6. Replacing devices

This chapter provides instructions on how to install or replace hardware for your computer.

•“Static electricity prevention” on page 69

•“Replacing the battery” on page 69

•“Replacing the hard disk drive” on page 73

•“Replacing the keyboard” on page 76

•“Replacing the memory module” on page 80

•“Replacing the wireless LAN/WiMAX card” on page 84

•“Installing and replacing the wireless WAN card” on page 90

•“Replacing the SIM card” on page 94

•“Replacing the Ultrabay device” on page 95

Static electricity prevention

Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can cause damage to the part. When you unpack an option or a CRU, do not open the static-protective package containing the part until the instructions direct you to install it.

When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage:

•Limit your movement. Movement can cause static electricity to build up around you.

•Always handle components carefully. Handle adapters, memory modules, and other circuit boards by the edges. Never touch exposed circuitry.

•Prevent others from touching components.

•When you install a static-sensitive option or CRU, touch the static-protective package containing the part to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body.

•When possible, remove the static-sensitive part from the static-protective packaging and install the part without setting it down. When this is not possible, place the static-protective packaging on a smooth, level surface and place the part on it.

•Do not place the part on the computer cover or other metal surface.

Replacing the battery

Before you start, print these instructions.

This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems. If an unauthorized battery or a battery designed for another system is installed, the system will not charge.

Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use.

© Copyright Lenovo 2012

69

Page 86 Page 88
Page 87
Image 87
Lenovo 2344BMU manual Replacing devices, Static electricity prevention, Replacing the battery
Page 86 Page 88

2344BMU specifications

The Lenovo 2344BMU, often recognized for its blend of performance and efficiency, caters to a wide range of users, from students to professionals. This laptop is part of Lenovo's esteemed lineup, which is known for its robust construction and versatile features.

One of the standout characteristics of the Lenovo 2344BMU is its sleek design, which combines modern aesthetics with functionality. The lightweight chassis makes it easily portable, making it an ideal companion for those on the go. The laptop's display features a vibrant resolution, providing crisp visuals that enhance the user experience whether for work or entertainment.

At the heart of the 2344BMU lies an Intel processor, delivering efficient performance that ensures seamless multitasking. Coupled with sufficient RAM, the device can handle daily tasks, from web browsing to running demanding applications, with remarkable ease. The inclusion of solid-state drives (SSD) in this model is another highlight, significantly improving boot times and application load speeds.

In terms of connectivity, the Lenovo 2344BMU comes equipped with multiple USB ports, an HDMI output, and an Ethernet port, allowing for versatile connectivity options. This makes it easy to connect to various external devices, such as monitors and storage devices, enhancing its usability for presentations and data sharing.

Another key feature of the 2344BMU is its comprehensive battery life. It is designed to support extended usage without the need for frequent recharging, making it ideal for users who may need to work away from power outlets. The device also incorporates energy-efficient components, contributing to lower energy consumption, which is a boon for eco-conscious users.

In terms of software, the Lenovo 2344BMU typically comes pre-installed with a user-friendly operating system, often Windows, which provides access to a myriad of applications and services. Lenovo also integrates its own software solutions, enhancing security and system performance.

Overall, the Lenovo 2344BMU stands out for its combination of portability, performance, and connectivity features. This makes it an excellent choice for a diverse user base looking for a reliable and efficient laptop. Whether for personal use, academic pursuits, or professional tasks, the 2344BMU delivers solid performance to meet various computing needs.
Top Page Image Contents