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6. Install the new PCI card into the appropriate PCI card slot on the system board. Then, install the screw
to secure the new PCI card in place.
Figure 18. Installing a PCI card
7. If necessary, connect any cables between the PCI card and the system board. See “Locating parts on
the system board” on page 11
to identify the various connectors on the system board.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 60.
Replacing the battery
Attention: Do not open your computer or attempt any repair before reading and understanding the “Important
safety information” on page v
.
Your computer has a special type of memory that maintains the date, time, and settings for built-in features,
such as parallel-port assignments (conguration). A battery keeps this 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 conguration information (including passwords) are lost. An
error message is displayed when you turn on the computer.
Refer to the “Lithium battery notice” in the ThinkCentre Safety and Warranty Guide for information about
replacing and disposing of the battery.
To replace the battery, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 32.
Chapter 5. Installing or replacing hardware 39