Dell XPS 730x (Early 2009) - Manual (Page 13)

Replacing the Theater Lighting Unit: Dell XPS 730/730X Service Manual
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4. Replace the batteries with a new pair.
5. Replace the cover of the battery unit and ensure that the screws are secure.
6. Replace the computer cover (see Replacing the Computer Cover ).
7. Connect your computer and devices to electrical outlets, and then turn them on.
Replacing the Theater Lighting Card
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Replacing the Computer Cover ).
1 theater lighting card 2 theater lighting card connector
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 ).
7. Connect your computer and devices to electrical outlets, and then turn them on.
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