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Battery removal and installation - ThinkCentre M50, A50p

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.

Note: Refer to "Safety notices (multi-lingual translations)" for information about replacing and disposing of the battery.

To change the battery

  1. Turn off the computer and all attached devices.
  2. Remove the cover. Based on your machine type, refer to " Removal and installation index - ThinkCentre A50p, M50" and click the link for "Removing the cover".
  3. Locate the battery. See " Identifying parts on the system board".
  4. If necessary, remove any adapters that impede access to the battery. Based on your machine type, refer to "Removal and installation index - ThinkCentre A50p, M50" for more information on removing adapters.
  5. Remove the old battery.

    Changing the battery for ThinkCentre A50p and M50 systems.

  6. Install the new battery.

    Installing new battery for ThinkCentre A50p and M50 systems.

  7. Replace any adapters that were removed to gain access to the battery. Based on your machine type, refer to "Removal and installation index - ThinkCentre A50p, M50" for instructions for replacing adapters.
  8. Replace the cover, and plug in the power cord. Based on your machine type, refer to "Removal and installation index - ThinkCentre A50p, M50" and click the link "Replacing the cover and connecting cables".

    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.
  9. Turn on the computer and all attached devices.
  10. Use the Setup Utility program to set the date and time and any passwords. See "Starting the Setup Utility program".
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Document ID : PD013012
Legacy Document ID : MIGR-51286
Last Updated :
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