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Battery removal and installation - ThinkCentre M58 (type 7187, 7359, 8820) M58p (type 6136, 7345, 7479, 9961)

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 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 configuration 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.

This section provides instructions on how to replace the battery.

  1. Open the computer cover. See "Cover removal".
  2. Locate the battery. See "Locating parts on the system board".
  3. Remove the old battery.


  1. Install the new battery.


  1. Reconnect all the cables to the system board and close the computer cover. See "Completing the FRU replacement".
    Note: When the computer is turned on for the first time after battery replacement, an error message might be displayed. This is normal after replacing the battery.
  2. Turn on the computer and all attached devices.
  3. Use the Setup Utility program to set the date and time and any passwords. See "Starting the Setup Utility program".






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  • Alias ID: MIGR-70887
  • Document ID: PD002216
  • Last Updated :17 Jun 2014
  • (c) 2014 Lenovo