Usb Board; Removing The Usb Board - Dell NOT22814 Owner's Manual

Steps
1. Place the system board on a clean and flat surface.
2. Install the ethernet and audio
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 Type-C bracket with the screw holes on the system board.
11. Replace the two screws (M2x5) that secure the 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. With both hands, use your fingertips to push the right-fan cable into its connector on the system board.
CAUTION: Connecting the cable with the incorrect side facing upwards will cause damage to the connector
and the system board. Ensure that the black dot on the cable is facing upwards before connecting the cable.
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-controller board cable to the system board and close the latch.
22. Connect the power-button cable to the USB board and close the latch.
23. With both hands, use your fingertips to push the left-fan cable into its connector on the system board.
CAUTION: Connecting the cable with the incorrect side facing upwards will cause damage to the connector
and the system board. Ensure that the black dot on the cable is facing upwards before connecting the cable.
Next steps
1. Install the memory module.
2. Install the wireless card.
3. Install the solid-state
4. Install the rear cover.
5. Install the battery.
6. Install the base cover.
7. Follow the procedure in

USB board

Removing the USB board

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
76 Removing and installing Field Replaceable Units (FRUs)
board, USB board, and
drive.
After working inside your
Before working inside your
fan and heat-sink assembly.
computer.
computer.