Dell XPS 730 (Late 2008) - Manual (Page 23)

Replacing the Theater Lighting Unit 21
3 Disconnect the theater lighting card connector.
4 Remove the screw securing the theater lighting card to the chassis and lift
the card out of the slot.
5 Replace the theater lighting card in its slot and tighten the screw.
6 Replace the computer cover (see "Replacing the Computer Cover" on
page 17).
1 theater lighting card 2 theater lighting card
connector
1
2