XPS 15 2-in-1 Service Manual

Procedure

1. Using the alignment posts, place the two I/O-board interposers on the system board.
   
2. Align the screw holes on the I/O-board cable with the screw holes on the I/O-board interposers and adhere the I/O-board cable to the fans.
   NOTE When installing the I/O board cable, align and connect the I/O board end to the I/O board side and the system board end to the system board side.

   CAUTION Wrong alignment of the cable might cause damage to the connectors.
3. Replace the four screws (M1.6x5.5) that secure the I/O-board cable to the system board.