Dell XPS 14 9440 Owner's Manual page 63

Figure 30. Installing the display assembly
Steps
1. Place the palm-rest assembly at the edge of a flat table.
2. Align the screw holes of the palm-rest assembly with the screw holes on the hinges of the display assembly.
3. Replace the six screws (M2.5x5.5) that secure the left and right hinges of the display assembly to the system board and
palm-rest assembly.
4. Close the display assembly, turn the computer over, and place it on the flat surface.
5. Replace the two screws (M1.6x3.5) that secures the display cable holder to the palm-rest assembly.
6. Using the alignment posts, place the display cable interposer board on the system board.
7. Connect the display cable to the display cable connector (JEDP1) on the system board.
8. Align the screw holes on the display cable holder with the screw holes on the system board.
9. Replace the two screws (M1.6x4) that secures the display cable to the system board.
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
Removing and installing Field Replaceable Units (FRUs) 63