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Microprocessor Cooling Fan
Dell™ OptiPlex™ GX400 Service Manual
Removing the Microprocessor Cooling Fan
Replacing the Microprocessor Cooling Fan
Removing the Microprocessor Cooling Fan
CAUTION: Before you perform this procedure, see "Precautionary Measures."
NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power lights on the system board has turned off. To locate this light, see "System Board Components."
1.Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 5 seconds, and then remove the computer cover.
2.Rotate the power supply away from the system board.
3.Remove the airflow shroud.
4.Disconnect the fan power cable from its connector on the system board (FAN). To locate this connector, see "System Board Components."
5.Gently pull the plastic locking tab back, and slide the fan toward the system board.
Removing the Microprocessor Cooling Fan
6. Lift the fan out of the chassis.
Replacing the Microprocessor Cooling Fan
To replace the microprocessor cooling fan, perform the removal procedure in reverse.