Dell XPS 420 owner manual Installing the System Board

book.book Page 158 Tuesday, November 27, 2007 10:29 AM

Installing the System Board

NOTICE: The system board and metal tray are connected and are installed as one piece.

NOTICE: If you are replacing the system board, visually compare the replacement system board to the existing system board to make sure that you have the correct part.

NOTE: Some components and connectors on replacement system boards may be in different locations than corresponding connectors on the existing system board.

NOTE: Jumper settings on replacement system boards are preset at the factory.

1Transfer components from the existing system board to the replacement system board, if applicable.

2Orient the system board assembly by aligning the notches on the bottom of the assembly with the tabs on the computer.

3Slide the system board assembly toward the back of the computer until the assembly clicks into place.

4Replace the eight screws to secure the system board assembly to the chassis.

5Replace any expansion cards that you removed (see "Installing a PCI Card" on page 110 and "Installing a PCI Express Card" on page 116).

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Removing and Installing Parts