Installing The System Board; Replacing The Computer Cover - Dell OptiPlex 330 User Manual

Installing the System Board

1 Gently align the board into the chassis and slide it toward the back of the
computer.
2 Using the seven screws, secure the system board to the chassis.
CAUTION:
Failure to replace and tighten all screws may cause electrical shock
as these screws are a key part of the system grounding.
3 Replace the cables that you removed from the system board.
4 Replace the processor and the heat sink assembly (see "Installing the
Processor" on page 249).
NOTICE:
Ensure that the heat sink assembly is correctly seated and secure.
5 Replace the memory modules into the memory sockets at the same
locations from which you removed them (see "Installing Memory" on
page 217).
6 Replace any add-in cards on the system board.
7 Replace the computer cover (see "Replacing the Computer Cover" on
page 257).
NOTICE:
To connect a network cable, first plug the cable into the network device
and then plug it into the computer.
8 Connect your computer and devices to an electrical outlet, and turn
them on.
9 Verify that the computer works correctly by running the Dell Diagnostics
(see "Dell Diagnostics" on page 111).

Replacing the Computer Cover

CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions located in the Product Information Guide.
1 Ensure that all cables are connected, and fold cables out of the way.
2 Ensure that no tools or extra parts are left inside the computer.
3 To replace the cover:
Align the bottom of the cover with the hinge tabs located along the
a
bottom edge of the computer.
Using the hinge tabs as leverage, rotate the cover downward to close it.
b
Desktop Computer Parts
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