20
8. Connect the external device (if any) to the external port on the rear of the card.
Fans
NOTE
Arrows on the fan indicate airflow direction and rotation. Ensure system fans are installed
with the airflow direction arrow pointing in the correct direction.
To replace the rear system fan:
1. Disconnect the fan power cable.
2. Remove the screw securing the fan assembly to the chassis, and remove the fan assembly
from the system. See the following figure.
Screw
3. Note the airflow direction of the fan and the position of the fan cable.
4. Remove the four screws securing the mounting bracket and grille to the fan.
NOTE
Be careful not to misplace the four washers when you remove the screws.
5. Ensure the new fan is oriented correctly, and then mount the grille, washers, and
mounting bracket to the new fan using the four screws you removed previously.
6. Slide the fan assembly into position in the chassis rear panel, and secure it using the
single screw you removed previously.
7. Connect the fan power cable.
To replace the front system fan:
1. Remove the face panel. See the “Case Components” section above for details.
2. Remove all full-length expansion cards. See the “Expansion Cards” section above for
details.
3. Remove the two screws that secure the right card guide to the chassis. See the following
figure.
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