How to replace the Speaker on a Latitude 3120

This 3D experience gives you the step by step process of replacing the Speaker and a Latitude 3120. The procedure will also include removing the Palmrest and Keyboard Assembly, Battery, Dummy battery cell and reinstalling them.

Removal

Palmrest and Keyboard Assembly

1. Identify the palmrest and keyboard assembly highlighted in blue.
2. Loosen the captive screws that secure the palmrest assembly.
3. Place the system on a flat surface with the keyboard facing up. Open the system to 180 degrees.
4. Use a plastic scribe, pry from the U-shaped recesses near the hinges at the top edge.
5. Use the scribe to pry open the top, left, and right sides of the palmrest.
6. Gently flip over the palmrest assembly.
7. Disconnect the battery cable, lift the latch and disconnect keyboard and touchpad cables.
8. Lift and remove the palmrest assembly and keyboard from the computer chassis.

Battery

Dummy battery cell

1. Identify the dummy battery cell highlighted in blue.
2. Remove the screws that secure the dummy battery cell to the system board.
3. Lift and remove the dummy battery cell from the computer chassis.

Speaker

Install

Speaker

Dummy battery cell

1. Identify the dummy battery cell location highlighted in blue.
2. Align and place the dummy battery cell into the computer chassis.
3. Replace the screws to secure the dummy battery cell.

Battery

Palmrest and Keyboard Assembly

1. Identify the palmrest and keyboard assembly location highlighted in blue.
2. Connect the battery cable keyboard and touchpad cables.Close the latch to secure.
3. Gently flip over the palmrest assembly with the keyboard facing downward.
4. Align the palmrest and press until it clicks into place.
5. Close the display assembly and position the system as shown.
6. Tighten the captive screws that secure the palmrest assembly.