Dell G16 7620 Service Manual page 40

Steps
1. Remove the two (M2x4) screws that secure the Type-C bracket to the system board and lift the bracket off the system
board.
2. Peel the tape that secures the display-cable connector latch to the system board.
3. Open the latch and disconnect the display cable from the system board.
4. Disconnect the DDS (Dynamic Display Switch) cable from the system board.
5. Disconnect the power-adapter port cable from the system board.
6. Peel the power-adapter port cable off the system board.
7. Disconnect the right-fan cable from the system board.
8. Remove the two screws (M2x2) that secure the right fan to the palm-rest and keyboard assembly.
9. Disconnect the speaker cable from the system board.
10. Open the latch and disconnect the touchpad cable from the system board.
11. Open the latch and disconnect the keyboard-controller board cable from the system board.
12. Disconnect the left-fan cable from the system board.
13. Open the latch and disconnect the power-button cable from the USB board.
14. Remove the five screws (M2x4) that secure the system board to the palm-rest and keyboard assembly.
15. Lift the system-board assembly off the palm-rest and keyboard assembly.
NOTE: Ensure that you lift the system board from the top left and right sides of the heat sink.
16. Place the system-board assembly on a clean and flat surface.
17. Turn the system-board assembly over and remove the
assembly.
40 Removing and installing components
ethernet and audio board, USB board, and fan and heat-sink