Dell Precision 7750 Service Manual page 40

Steps
1. Align the keyboard to its slot on the palmrest
2. Route the keyboard cable and the keyboard backlight cable through the bottom of the palmrest.
3. Replace the six (M2x2.5) screws to secure the keyboard to the palmrest.
4. Turn-over the system at 90° angle to access the keyboard and the keyboard backlight cables.
5. Connect the keyboard backlight cable and the keyboard cable to the connectors on the system board.
NOTE: Ensure that you fold the keyboard data cable in perfect alignment.
Next steps
1. Install the keyboard lattice.
2. Install the battery.
3. Install the base cover.
4. Install the SD card.
5. Follow the procedure in
40 Demontowanie i montowanie
after working inside your computer.