Dell Latitude 3120, Service Manual

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Steps
1. Align and replace the 3-cell battery into the computer chassis.
2. Route the battery cable through the routing channels between the system board and 3-cell battery.
3. Affix the adhesive tapes to secure the 3-cell battery to the computer chassis.
4. Replace the four screws (M2x3) to secure the 3-cell battery in place.
5. Connect the battery cable to the system board.
Next steps
1. Install the palmrest and keyboard assembly .
2. Follow the procedure in after working inside your computer .
Removing the 4-cell battery
Prerequisites
1. Follow the procedure in before working inside your computer .
2. Remove the palmrest and keyboard assembly .
NOTE: The following steps are for the systems that are shipped with a 4-cell battery.
NOTE: If the battery is disconnected from system board, there is delay during computer boot as the computer undergoes
Real Time Clock (RTC) reset.
NOTE: The double sided adhesive tapes are reusable.
About this task
The following image indicates the location of the 4-cell battery and provides a visual representation of the removal procedure.
Removing and installing components 27