Installing The I/O Daughter-Board - Dell Latitude 7230 Service Manual

2. Remove the two screws (M2x3) that secure the I/O daughter-board FPC bracket in place.
3. Remove the I/O daughter-board FPC bracket away from the system board.
4. Disconnect the I/O daughter-board FPC from the connector on the system board.
5. Remove the two (M2x5) and two (M2x3) screws that secure the I/O daughter-board to the tablet.
6. Remove the I/O daughter-board away from the tablet.

Installing the I/O daughter-board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the I/O daughter-board and provides a visual representation of the installation procedure.
NOTE: The headset port, USB 3.2 Gen 1 port with PowerShare, and microSD-card slot are part of I/O daughter-board.
Steps
1. Align the screw holes on the I/O daughter-board with the screw holes on the tablet.
2. Replace the two (M2x5) and two (M2x3) screws to secure the I/O daughter-board to the tablet.
3. Connect the I/O daughter-board FPC to the connector on the system board.
4. Align the screw holes on the I/O daughter-board FPC bracket with the screw holes on the system board.
5. Replace the two screws (M2x3) to secure the I/O daughter-board FPC bracket in place.
Removing and installing components 39