Dell XPS 13 (L322X, Early 2013) - Manual (Page 44)

Removing the System Board
NOTE: Your computer’s service tag is stored in the system board. You must enter
the service tag in the BIOS after you replace the system-board assembly.
NOTE: Before disconnecting the cables from the system board, note the location of
the connectors so that you can reconnect them correctly after you replace the
system-board assembly.
1 Disconnect the display cable from the connector on the system board.
2 Lift the connector latch and pull the pull-tab to disconnect the
touchpad cable and keyboard-backlight cable from the connectors on
the system board.
1
2
1 touchpad cable 2 keyboard-backlight cable
3 display cable
System Board 44
3