Replacing the battery

Attention

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support

Your computer has a special type of memory that maintains the date, time, and configuration information for built-in features. The battery keeps these information active when you turn off the computer.

The battery normally requires no charging or maintenance throughout its life, however, no battery lasts forever. If the battery fails, the date, time, and configuration information (including passwords) are lost. An error message is displayed when you turn on the computer.

Before performing the following procedure, be sure to read and understand the information about replacing and disposing of the battery in the “Lithium battery notice” section of the ThinkCentre Safety and Warranty Guide.

To replace the battery, do the following:

1.Remove the computer cover. See “Removing the computer cover” on page 68.

2.Locate the battery on the system board. See “Locating components” on page 66.

3.Remove the old battery.

Figure 10. Removing the battery

4. Install the new battery.

Figure 11. Installing the battery

5.Reinstall the computer cover and reconnect the cables. See “Completing the parts replacement” on page 84.

6.Turn on the computer and all attached devices.

Note: When the computer is turned on for the first time after replacing the battery, an error message might be displayed. This is normal after replacing the battery.

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Lenovo 3425, 5214, 5354, 3980 manual Replacing the battery, Removing the battery

5354, 3980, 5214, 3425 specifications

The Lenovo 3425, 5214, 3980, and 5354 are part of Lenovo's diverse lineup of laptops, each designed with unique features and technologies catered to various user needs.

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The Lenovo 3980 is geared towards gamers and creative professionals. This model typically includes higher-end graphics options such as NVIDIA or AMD GPUs, enabling smooth gameplay and graphic-intensive applications. A high-refresh-rate display enhances gaming experiences, allowing for fluid motion and reduced blur. The design often incorporates advanced thermal management to keep the laptop cool during long gaming sessions, while customizable RGB keyboard backlighting offers a personalized touch.

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Each of these Lenovo models embodies a commitment to quality and performance, tailored to meet the diverse demands of modern users, from business professionals to gamers and creative artists.