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Replacing the battery - ThinkStation C20 (type 4262, 4263, 4264, 4265), C20x (type 4266, 4269, 4271, 4272)

Attention

Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkStation Safety and Warranty Guide, go to:http://www.lenovo.com/support

Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as serial-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 ThinkStation Safety and Warranty Guide for information about replacing and disposing of the battery.

To replace the battery, do the following:

  1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
  2. Remove the computer cover. See "Removing the computer cover".
  3. Remove the front bezel. See "Removing and reinstalling the front bezel".
  4. Remove the PCI card holder. See "Removing and reinstalling the PCI card holder".
  5. Locate the battery. See "Locating components".
  6. Remove the battery:
    a. Use one finger to push the battery horizontally out of its socket, pushing it away from the socket.
    b. Lift and remove the battery from the socket.

remove battery 1

  1. Follow any special handling and installation instructions that come with the replacement battery.
  2. Insert the replacement battery:
    a. Hold the battery in a vertical orientation so that the smaller side is facing the socket.
    b. Place the battery into its socket, and press the battery towards the socket until it clicks into place. Make sure that the battery clip holds the battery securely.

remove battery 2

  1. Dispose of the battery as required by local ordinances or regulations.
  2. Replace any PCI card that was removed. Reinstall the computer cover and connect the cables. See "Completing the parts replacement".
    Note: When the computer is turned on for the first time after replacing the battery, an error message might be displayed. This is normal after replacing the battery.
  3. Turn on the computer and all attached devices.
  4. Use the Setup Utility program to set the date and time and any passwords. See "Using the Setup Utility" in the ThinkStation User Guide.
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  • Alias ID: MIGR-75668
  • Document ID: PD008798
  • Last Updated :6/17/2014
  • (c) 2014 Lenovo