Installing The 3-Cell Battery; Removing The 4-Cell Battery - Dell Latitude 5520 Service Manual

Installing the 3-cell battery

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the 3-cell battery and provides a visual representation of the installation procedure.
NOTE: If battery is disconnected from system board for service, then there is a delay during system boot-up as the system
undergoes RTC battery reset.
Steps
1. Align and place the battery from the left side on the computer.
2. Replace the two screws (M2x4) that secure the battery to the palm-rest assembly and keyboard assembly.
3. Connect the battery cable to the system board.
Next steps
1. Install the base cover.
2. Install the microSD card.
3. Install the SIM card.
4. Follow the procedure in

Removing the 4-cell battery

Prerequisites
1. Follow the procedure in
2. Enter service mode.
3. Remove the SIM card
4. Remove the microSD
5. Remove the base cover.
38 Removing and installing components
After working inside your
Before working inside your
card.
computer.
computer.