Dell D420 - Latitude Notebook Computer Service Manual - Page 8

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  Coin-Cell Battery
Dell™ Latitude™ D420 Service Manual
 
CAUTION:
Before performing the following procedures, follow the safety instructions in your Product Information Guide.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of
the computer.
NOTICE:
To prevent damage to the system board, remove the main battery before you service the computer.
 
1. Follow the procedures in
Before You
 
2. Remove the keyboard (see Keyboard).
 
3. Disconnect the coin-cell battery cable connector from the system board connector.
 
4. Remove the coin-cell battery from the system board.
1
cable connector
When you replace the battery, insert it at a 30-degree angle under the clip with the positive (identified by a plus [+] symbol) side up, and then push it into
place.
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Begin.
2

coin-cell battery