Installing The I/O Daughter-Board - Dell XPS 13 9315 Service Manual

Installing the I/O daughter-board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image(s) indicate the location of the I/O daughter-board and provides a visual representation of the installation
procedure.
Steps
1. Align the screw holes of the I/O daughter-board with the screw holes of the palm-rest and keyboard assembly.
2. Place the I/O daughter-board on the palm-rest and keyboard assembly.
NOTE: Ensure the right Thunderbolt 4 port of the I/O daughter-board is aligned with the right port hole of the
palm-rest and keyboard assembly.
3. Replace the two screws (M1.6x1.5) that secure the I/O daughter-board to the palm-rest and keyboard assembly.
4. Place the I/O daughter-board interposer board on the I/O daughter-board.
NOTE: Ensure the cutouts of I/O daughter-board interposer board are aligned with the stubs on the I/O daughter-
board.
CAUTION: The pins on the interposer board are fragile. Hold and lift the interposer board from the edges or
the sides.
30 Removing and installing components