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To replace the rear fan assembly:
1. Remove all media from the drives and turn off all attached devices and the
computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 16.
3. Locate the rear fan assembly. See “Locating components” on page 11.
4. Disconnect the rear fan assembly cable from the system fan connector on the
system board. See “Locating parts on the system board” on page 12.
5. The rear fan assembly is attached to the chassis by four rubber mounts.
Remove the rear fan assembly by breaking or cutting the rubber mounts and
gently pulling the rear fan assembly out of the chassis.
6. Install the new rear fan assembly by aligning the new rubber mounts of the
new rear fan assembly with the holes on the chassis and push the rubber
mounts through the holes.
Note: The new rear fan assembly you received will have four new rubber
mounts attached.
Figure 30. Removing the rear fan assembly
Chapter 2. Installing or replacing hardware 39