Replacing The Coin-Cell Battery - Lenovo ThinkCentre E63z Hardware Maintenance Manual

Replacing the coin-cell battery

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
This section provides instructions on how to replace the coin-cell battery.
Your computer has a special type of memory that maintains the date, time, and settings for built-in features,
such as parallel-port assignments (configuration). A coin-cell battery keeps the information active when you
turn off the computer.
The coin-cell battery normally requires no charging or maintenance throughout its life. However, if the
coin-cell battery fails, the date, time, and configuration information (including passwords) are lost. An error
message will be displayed when you turn on the computer.
Refer to the "Lithium coin cell battery notice" in the Safety, Warranty, and Setup Guide for information about
replacing and disposing of the coin-cell battery.
To replace the coin-cell battery, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and
gently lay it down so that the screen is against the surface and the cover is facing up.
3. Remove the frame stand. See "Removing and installing the frame stand" on page 101.
4. Remove the computer cover. See "Removing the computer cover" on page 104.
5. Remove the system-board shield. See "Removing and installing the system-board shield" on page 108.
6. Remove the coin-cell battery as shown.
Figure 25. Removing the coin-cell battery
7. Install a new coin-cell battery as shown.
Figure 26. Installing the coin-cell battery
8. Install the system-board shield. See "Removing and installing the system-board shield" on page 108.
9. Install the computer cover. See "Completing the parts replacement" on page 129.
10. Install the frame stand. See "Removing and installing the frame stand" on page 101.
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Chapter 11 Installing or replacing hardware
113