Dell OptiPlex 330, Service Manual

Page: 110 / 170

110
Expansion-Card Guide
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Removing the Expansion-Card Guide (Mini Tower Chassis)
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
Lay the computer down on its right side.
3
Remove the AGP card brace .
4
Remove all expansion cards .
5
Disconnect the fan power cable from its connector on the system
board (FAN2). To locate this connector, see " System Board
Components " or " Interior Service Label ."
6
Remove the expansion-card guide:
NOTE:
The I/O cooling fan is mounted on the expansion-card guide.
a
From the outside of the chassis, press in the tab on the top of the
card guide.
This will release the card-guide tab from the chassis.
b
Rotate the released side of the card guide away from the front
chassis wall.
c
With the released side of the card guide away from the chassis
wall, pull the card guide up away from the chassis (see the
following figure).