Installing The 4-Cell Battery - Dell Latitude 3120 Service Manual

Steps
1. Peel off the adhesive tapes that secure the 4-cell battery to the computer chassis.
2. Unroute the battery cable from the routing channels between the system board and 4-cell battery.
3. Remove the five screws (M2x3) that secure the 4-cell battery to the computer chassis.
4. Disconnect the battery cable from the system board.
5. Lift and remove the 4-cell battery from the computer chassis.

Installing the 4-cell battery

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
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.
The following image indicates the location of the 4-cell battery and provides a visual representation of the installation procedure.
28 Removing and installing components