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Replacing a Cooling Fan
1. Lower the fan into the retention base until the fan snaps into position (see Figure4-8).
2. Replace the cover (see "Replacing the Cover").
System-Fan Bracket
The system-fan bracket mounts two cooling fans to the inside of the rear chassis wall.
Removing the System-Fan Bracket
1. Remove the two system fans (see "Removing a Cooling Fan").
To identify the system fans, see Figure4-8.
2. Remove the system-fan bracket (see Figure4-9):
a. From the rear of the chassis, press the two bracket side tabs inward that protrude through rear chassis wall.
b. Rotate the bottom of the bracket toward the inside of the chassis and then lift the bracket out of the system.
Figure 4-9. Removing and Replacing the System-Fan Bracket
NOTE: The procedure for installing each individual fan is the same.
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.
NOTE: After installing a new fan, allow up to 30 seconds for the system to recognize the fan and determine whether it is functioning properly. The
status indicator will turn green to signify that the fan is functioning properly (see "Cooling Fan Indicator Codes").
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.