Dell XPS 16 9640 Owner's Manual page 78

Figure 58. Installing the keyboard
Steps
1. Align and slide the keyboard into position on the palm-rest assembly.
2. Turn the palm rest and keyboard assembly over.
3. Replace the twenty-three screws (M1.4x1.3) that secure the keyboard to the palm rest assembly.
4. Connect the cable from the connector (KB1) to the keyboard-controller board.
5. Connect the keyboard-backlight cable to the connector (KBBL1) on the keyboard-controller board and close the latch.
6. Adhere the tape to secure the keyboard to the palm-rest assembly.
Next steps
1. Install the power button with fingerprint
2. Install the speakers.
3. Install the system board.
NOTE: The system board can be installed along with the solid state drive.
4. Install the Type-C brackets.
5. Install the heat sink.
6. Install the fans.
7. Install the battery.
8. Install the base cover.
9. Follow the procedure in
78 Removing and installing Field Replaceable Units (FRUs)
reader.
After working inside your computer.