Dell Inspiron 3782 Service Manual page 54

6. Remove the five screws (M2.5x5) that secure the left and right hinges to the system board and palm-rest and keyboard assembly.
7. Open the hinges.
8. Lift the palm-rest and keyboard assembly at an angle.
9. Slide and remove the palm rest and keyboard assembly off the display assembly.
54 Removing the power-adapter port