I/O Daughter Board; Removing The I/O Daughter Board - Dell Latitude 9430 2-in-1 Service Manual

Steps
1. Align and place the WLAN antenna module in the slot on the system.
2. Replace the two (M1.6x3) screws that secure the WLAN antenna module to the palm-rest assembly.
3. Connect the WLAN antenna module's Proximity sensor cable to the RF board and route the Proximity sensor cable in the
routing guides.
4. Align and place the Proximity sensor bracket on the RF board.
5. Replace the single (M1.6x1.8) screw securing the Proximity sensor bracket to the palm-rest assembly.
Next steps
1. Install the battery.
2. Install the WWAN card.
3. Install the base cover.
4. Install the SIM card tray.
5. Install the SD card.
6. Follow the procedure in

I/O daughter board

Removing the I/O daughter board

Prerequisites
1. Follow the procedure in
NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in
computer.
2. Remove the SD card.
3. Remove the SIM card
4. Remove the base cover.
5. Remove the heat sink.
6. Remove the display assembly.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the removal procedure.
After working inside your
Before working inside your
tray.
computer.
computer.
Before working inside your
Removing and installing components 49