Dell XPS 14 9440 Owner's Manual page 76

Figure 43. Installing the keyboard
Steps
1. Route the keyboard tabs through the openings of the palm-rest assembly.
2. Thread the keyboard-backlit cable and the keyboard cable through the opening of the palm-rest assembly.
3. Align the screw holes of the keyboard with the screw holes on the palm-rest assembly.
NOTE: When securing the keyboard to the palm-rest assembly with screws, install the first four screws in the sequence
as shown in the following image. The screw holes are labeled according to the required installation sequence.
76 Removing and installing Field Replaceable Units (FRUs)