Ush Daughter Board; Removing The Ush Daughter Board - Dell Latitude 9420 Service Manual

13. Connect the display cable and camera cable to the connector on the system board.
14. Connect the display cable, and camera cable to the system board.
15. Connect the power button with fingerprint reader FPC cable to the connector on the system board (For the systems
shipped with power button with fingerprint reader assembly).
16. Connect the USH daughter board FPC cable to the connector on the system board (For the systems shipped with USH
daughter board).
17. Connect the I/O daughter board FPC cable to the connector on the system board.
Next steps
1. Install the battery.
2. Install the heat sink.
3. Install the WWAN card.
4. Install the solid-state
5. Install the base cover.
6. Install the SIM card tray.
7. Install the SD card.
8. Follow the procedure in

USH daughter board

Removing the USH daughter board

Prerequisites
NOTE: For system shipped with USH daughter board only.
1. Follow the procedure in
2. Remove the SD card.
3. Remove the SIM card
4. Remove the base cover.
5. Remove the WWAN card.
6. Remove the heat sink.
7. Remove the display assembly.
8. Remove the battery.
9. Remove the I/O daughter
10. Remove the system board.
About this task
The following image indicates the location of the USH daughter board and provides a visual representation of the removal
procedure.
drive.
After working on your
before working inside your
tray.
board.
computer.
computer.
Removing and installing components 51