To order replacement batteries, call 1-800-772-2227 within the United States, and1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada, callyour IBM reseller or IBM marketing representative.Note: After you replace the battery, you must reconfigure your system and resetthe system date and time.Do the following to replace the battery:1. Read “Before you begin” on page 25, and follow any special handling andinstallation instructions supplied with the replacement battery.2. Remove any media (diskettes, CDs, or tape) from the drives and shut downyour operating system.3. Turn off the computer and attached devices and disconnect all external cablesand power cords.4. If necessary, unlock the computer cover; then, remove the computer cover. See“Removing the cover” on page 26.5. Do the following to remove the battery:a. Press the battery release tab to release the battery from the socket.b. Lift the battery out of the socket.6. Do the following to insert the new battery:a. Tilt the battery so that you can insert it into the socket.b. Press down on the battery after you insert it into the socket.7. Reinstall the cover, see “Replacing the cover” on page 38.8. Reconnect the external cables and power cords; then turn on the attacheddevices and the computer.9. Start the Configuration/Setup Utility program and set configurationparameters.v Set the system date and time.v Set the power-on password.v Reconfigure your system.18 IBM NetVista Type 6838, 6848: Hardware Maintenance Manual