Dell OptiPlex 330, Service Manual

Page: 168 / 170

168
System Board
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Removing the System Board
CAUTION: Before you perform this procedure, see " Precautionary
Measures ."
NOTICE:
Before disconnecting a peripheral from the system or removing a
component from the system board, verify that the standby power indicator on
the system board has turned off. To locate this indicator, see "
System Board
Components " or " Interior Service Label ."
1
Turn off the computer and peripherals, disconnect them from their
electrical outlets, wait at least 5 seconds, and then remove the
computer cover .
2
If you have a mini tower chassis, lay the computer down on its right
side.
3
Rotate the power supply away from the system board.
4
If you have a mini tower chassis, remove the AGP card brace .
5
Remove all expansion cards .
6
Remove all memory modules .
7
Remove the microprocessor airflow shroud .
8
Remove the microprocessor .
9
Remove the microprocessor cooling fan .
10
Disconnect all cables from the system board.
11
Slide all drive brackets partially out of the chassis .
12
Remove the screw that secures the system board to the bottom of the
chassis (see the following figure).
13
Slide the system board toward the front of the chassis until it stops.
This unlocks the system board.
14
Lift the front of the system board.
15
Lift the system board out of the chassis at an angle.