System Board; Removing The System Board - Dell OptiPlex 330 User Manual

5 Reconnect the cables to the system board.
6 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.
7 Connect your computer and devices to an electrical outlet, and turn
them on.
8 Verify that the computer works correctly by running the Dell Diagnostics
(see "Dell Diagnostics" on page 111).

System Board

Removing the System Board

CAUTION:
To guard against electrical shock, laceration by moving fan blades, or
other unexpected injuries, always unplug your computer from the electrical outlet
before opening the cover.
CAUTION:
The heat sink assembly, power supply, and other components may
become very hot during normal operation. Be sure that they have had sufficient
time to cool before you touch them.
NOTICE:
Before touching anything inside your computer, ground yourself by
touching an unpainted metal surface, such as the metal at the back of the computer.
While you work, periodically touch an unpainted metal surface to dissipate any
static electricity that could harm internal components.
1 Follow the procedures in "Before You Begin" on page 143.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 209).
3 Remove any add-in cards on the system board (see "Cards" on page 219).
4 Remove the processor and heat sink assembly (see "Speakers" on
page 245).
5 Remove the memory modules (see "Removing Memory" on page 219) and
document which memory module is removed from each memory socket so
that the memory modules can be installed in the same location after the
board is replaced.
6 Disconnect all cables from the system board. Note the routing of all cables
Desktop Computer Parts
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