How to replace the Power Adapter port on a Latitude 3120

This 3D experience gives you the step by step process of replacing the Power Adapter port and a Latitude 3120. The procedure will also include removing the Palmrest and Keyboard Assembly, Power-adapter port 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.

Power-adapter port

1. Identify the power adapter port highlighted in blue.
2. Remove the screws that secure the power adapter port.
3. Lift and remove the power adapter port from the computer chassis.
4. Disconnect the power adapter port cable from the system board.

Install

Power-adapter port

1. Identify the power adapter port location highlighted in blue.
2. Connect the power adapter port cable to the system board.
3. Place the power adapter port into the slot on the computer chassis.
4. Install the screws that secure the power adapter port.

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.