Dell Latitude 3390 2-in-1 Owner's Manual

Removing the touchpad

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. base cover
   2. battery
3. To remove the touchpad metal bracket:
   1. Remove the mylar tapes that secures the speaker cable to the laptop [1].
   2. Remove the M2x2 screws (4) that secure the touchpad board to the laptop chassis [2].
   3. Lift the touchpad metal bracket from the laptop chassis [3].
   
4. To release the touchpad:
   1. Remove the mylar tapes that secure the touchpad bracket to the laptop [1]
   2. Lift the latch and release touchpad cable on the system board [2].
   3. Pull the touchpad cable to release it from adhesive that secure the cable to the laptop.
   
5. To remove touchpad board:
   1. Remove the M2x2 screws (4) that secure the touchpad to the laptop [1].
   2. Lift the touchpad away from the laptop chassis [2].