Dell XPS 15 9520 Service Manual page 43

Steps
1. Slide the palm-rest and keyboard assembly under the display-assembly hinges.
2. Align the screw holes on the palm-rest assembly with the screw holes on the right and left display-assembly hinges.
3. Replace the four screws (M2.5x5.5) that secure the left hinge to the system board and the palm-rest and keyboard
assembly.
4. Replace the four screws (M2.5x5.5) that secure the right hinge to the system board and the palm-rest and keyboard
assembly.
5. Align the screw holes on the display-assembly cable holder with the screw holes on the palm-rest and keyboard assembly.
6. Connect the touchscreen cable and camera cable to the display-assembly cable .
7. Replace the two screws (M1.6x3) that secure the display-assembly cable holder to the palm-rest and keyboard assembly.
NOTE: Apply gentle torque when tightening the two screws (M1.6x3) to avoid damaging the screw threads.
8. Align the screw holes on the display-assembly cable bracket with the screw holes on the system board.
9. Tighten the three captive screws that secure the display-assembly cable bracket to the system board.
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
Removing and installing components 43