Latitude 3120/Latitude 3120 2-in-1 Service Manual

1. Follow the procedure in before working inside your computer.
2. Remove the palmrest and keyboard assembly.
3. For systems that are shipped with a Solid State Drive (SSD), remove the solid-state drive.
4. Remove the speakers.
5. Remove the audio board.
6. Remove the 3-cell battery or the 4-cell battery depending on the system configuration.
7. Remove the display assembly.
8. Remove the power adapter port.
9. For systems shipped with a world-facing camera, remove the world-facing camera.
10. Remove the heatsink assembly.
11. For systems that are shipped with a 3-cell battery, remove the dummy battery cell.
12. Remove the system board.

After performing the preceding steps, you are left with the base cover assembly.

1. Install the system board.
2. For systems that are shipped with a 3-cell battery, install the dummy battery cell.
3. Install the heatsink assembly.
4. For systems shipped with a world-facing camera, install the world-facing camera.
5. Install the power adapter port.
6. Install the display assembly.
7. Install the 3-cell battery or the4-cell battery depending on the system configuration.
8. Install the audio board.
9. Install the speakers.
10. For systems that are shipped with a Solid State Drive (SSD), install the solid-state drive.
11. Install the palmrest and keyboard assembly.
12. Follow the procedure in after working inside your computer.