Dell G15 5535 Owner's Manual page 77

Steps
1. Place the system board on a clean and flat surface.
2. Install the ethernet and audio board, USB board, and fan and heat-sink assembly.
3. Turn the system board over.
4. Using the alignment posts, place the system board on the palm-rest and keyboard assembly, ensuring that the heat sink is
aligned against the top edge of the palm-rest and keyboard assembly.
5. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly.
6. Replace the five screws (M2x5) that secure the system board to the palm-rest and keyboard assembly.
7. Replace the screw (M2x3) that secures the USB board to the palm-rest and keyboard assembly.
8. Replace the screw (M2x3) that secures the ethernet and audio board to the palm-rest and keyboard assembly.
9. Replace the screw (M2x4) that secures the left fan to the palm-rest and keyboard assembly.
10. Align the screw holes on the USB Type-C bracket with the screw holes on the system board.
11. Replace the two screws (M2x5) that secure the USB Type-C bracket to the system board.
12. Connect the DDS (Dynamic Display Switch) cable to the system board.
NOTE: This step is applicable only for computers that are shipped with a 165 Hz or 240 Hz display.
13. Connect the display cable to the system board and close the latch.
14. Adhere the tape that secures the display-cable connector latch to the system board.
15. Connect the power-adapter port cable to the system board.
16. Adhere the power-adapter port cable on the system board.
17. Connect the right-fan cable to the system board.
18. Connect the speaker cable to the system board.
19. Connect the touchpad cable to the system board and close the latch.
20. Connect the keyboard cable to the system board and close the latch.
21. Connect the keyboard-backlight cable to the keyboard-controller board and close the latch.
22. Connect the keyboard-controller board cable to the system board and close the latch.
23. Connect the power-button board cable to the USB board and close the latch.
24. Connect the left-fan cable to the system board.
Removing and installing Field Replaceable Units (FRUs) 77