Replacing FRUs

Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel connector assignments (configurations). A coin-cell battery keeps this information active when you turn off the computer.

The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell battery lasts forever. If the coin-cell battery fails, the date, time, and configuration information (including passwords) are lost. An error message is displayed when you turn on the computer.

To replace the coin-cell battery,

1. 1

   Remove the computer stand.  For details, see Replacing the monitor stand or Replacing the UltraFlex II Stand.

2. 2

   Remove the computer cover.  For details, see Removing the computer cover.

3. 3

   Remove the optical drive.  For details, see Replacing the optical drive.

4. 4

   Remove the VESA mount bracket.  For details, see Replacing the VESA mount bracket.

5. 5

   Remove the middle frame.  For details, see Replacing the middle frame.

6. 6

   Remove the system board shield.  For details, see Replacing the system board shield.

7. 7

   Replace the coin-cell battery.

   
   
   

   1. 1
   2. 2
   3. 3
   4. 4
8. 8

   Reinstall the removed parts and computer cover.  For details, see Completing the parts replacement.

To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” in the Safety and Warranty Guide.