Coin-Cell Battery
Dell™ Latitude™ D420 Service Manual
1.
2.
Remove the keyboard (see
3.
Disconnect the coin-cell battery cable connector from the system board connector.
4.
Remove the coin-cell battery from the system board.
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.
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
cable connector
2
coin-cell battery
