Dell XPS 420 Personal Computer User Manual


 
158 Removing and Installing Parts
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.
1
Transfer components from the existing system board to the replacement
system board, if applicable.
2
Orient the system board assembly by aligning the notches on the bottom
of the assembly with the tabs on the computer.
3
Slide the system board assembly toward the back of the computer until the
assembly clicks into place.
4
Replace the eight screws to secure the system board assembly to the
chassis.
5
Replace 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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