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

Removing the palmrest and keyboard

1. Loosen the nine captive screws that secure the palmrest assembly to the computer chassis.
2. Place the system on a flat surface with the keyboard facing up. Open the system to 180 degrees.
   NOTE The system will automatically power on when it is opened past 5-degree angle. Press the power button to turn off the system and then proceed with the disassembly process.
3. Use a plastic scribe to pry open the palmrest assembly, starting from the U-shaped recesses near the hinges at the top edge of the palmrest.
4. Use the scribe to pry open the top, left, and right sides of the palmrest.
5. Hold the left and right sides of the palmrest and open it to 45 degrees to release the palmrest assembly from the computer chassis.
   CAUTION Do not open the palmrest assembly more than 60 degrees, as it may damage the keyboard Flexible Printed Circuits (FPC) and touchpad Flexible Flat Cable (FFC).
6. Gently flip over the palmrest assembly with the keyboard facing downward.
   CAUTION Do not apply excess force to the palmrest assembly while flipping it over, as it may damage to the keyboard FPC and touchpad FFC.
7. Disconnect the battery cable, keyboard FPC, and touchpad FFC from the system board.
8. Lift and remove the palmrest assembly and keyboard from the computer chassis.