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

Removing the base cover

1. Follow the procedure in Before working inside your computer.
2. Close the display and turn the laptop over.
3. Remove the M2.5 x 6 screws (9) that secure the base cover to the laptop.
   NOTE: Two screws near the front edge of the system have to be removed at an angle before lifting the base cover.
   
4. Using a plastic scribe, pry the base cover from the edges of the laptop chassis [1].
   NOTE: Pry the edges clockwise, starting from the lower left side of the air vent.
   
5. Lift the base cover away from the laptop [2].