Dell XPS 13 (9343, Early 2015) - Manual (Page 48)

Replacing the I/O Board
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before Working Inside Your Computer . After working inside your
computer, follow the instructions in After Working Inside Your
Computer . For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
Procedure
1 Slide the I/O board under the fan and align the screw holes on the I/O
board with the screw holes on the palm-rest assembly.
2 Align the screw hole on the display cable with the screw hole on the I/O
board.
3 Replace the screws that secure the I/O board to the palm-rest assembly.
4 Slide the I/O-board cable into the I/O board and press down on the latch
to secure the cable.
5 Connect the media-card reader cable to the I/O board.
6 Adhere the tape that secures the display cable to the I/O board.
Post-requisites
1 Replace the battery .
2 Replace the base cover .
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