Dell G16 7620 Service Manual page 46

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 (M2x4) that secure the system board to the palm-rest and keyboard assembly.
7. Replace the screw (M2x2) that secures the system board to the palm-rest and keyboard assembly.
8. Align the screw holes on the Type-C bracket with the screw holes on the system board.
9. Replace the two screws (M2x4) that secure the Type-C bracket to the system board.
10. Connect the display cable to the system board and close the latch.
11. Adhere the tape that secures the display-cable connector latch to the system board.
12. Connect the DDS (Dynamic Display Switch) cable to the system board.
13. Connect the power-adapter port cable to the system board.
14. Adhere the power-adapter port cable on the system board.
15. Replace the two screws (M2x2) that secure the right fan to the palm-rest and keyboard assembly.
16. Connect the right-fan cable to the system board.
17. Connect the speaker cable to the system board.
18. Connect the touchpad cable to the system board and close the latch.
19. Connect the keyboard-controller board cable to the keyboard-controller board and close the latch.
20. Connect the left-fan cable to the system board.
21. Connect the power-button cable to the USB board and close the latch.
46 Removing and installing components