How to replace the Coin-cell battery on a Latitude 3120

This 3D experience gives you the step by step process of replacing the Coin-cell battery and a Latitude 3120. The procedure will also include removing the Palmrest and Keyboard Assembly 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.

Coin-cell battery

1. Identify the coin cell battery highlighted in blue.
2. Disconnect the coin cell battery cable from the connector on the system board.
3. Pry the coin cell battery to release it from the adhesive. Lift to remove it.

Install

Coin-cell battery

1. Identify the coin cell battery location highlighted in blue.
2. Place the coin cell battery into the slot on the computer chassis.
3. Connect the coin cell battery cable to the connector on the system board.

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.