IBM IntelliStation M Pro Hardware Maintenance Manual page 40

Complete the following steps to replace the battery:
1. Follow any special handling and installation instructions that come with the
2. Turn off the computer and all attached devices. Disconnect all external cables
3. Complete the following steps to remove the battery:
4. Complete the following steps to insert the new battery:
5. Replace the cover, and connect the cables.
6. Turn on the computer.
7. Start the Configuration/Setup Utility program and set configuration parameters.
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IBM IntelliStation M Pro Types 6220 and 6230: Hardware Maintenance Manual
replacement battery.
and power cords; then remove the computer cover.
a. Use one fingernail to press the top of the battery clip away from the battery.
The battery pops up when released.
b. Use your thumb and index finger to lift the battery from the socket.
a. Tilt the battery so that you can insert it into the socket on the side opposite
the battery clip.
b. Press the battery down into the socket until it clicks into place. Make sure
the battery clip holds the battery securely.
v Set the system date and time.
v Set passwords if necessary.
v Save the configuration.