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Reserve Battery

CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

1. Follow the instructions in "Preparing to Work Inside the Computer" to remove the main battery and prepare the computer for work.
   
   
2. Remove any installed memory modules, smart card, modem, or PC Card.
   
   
3. Remove the keyboard.
   
   
4. Remove the display.
   
   
5. Remove the palm rest.
   
   

NOTICE: Note the reserve battery location before you remove it so that you can put the replacement reserve battery in the same location.

6. Lift out the reserve battery, and disconnect it from the system board connector.
   
   

1	reserve battery	3U490
2	system board connector

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