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Replacing the system fan
Attention: Do not open your computer or attempt any repair before reading and understanding the “Important
safety information” on page v.
This section provides instructions on how to replace the system fan.
To replace the system fan, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 32.
3. Remove the hard disk drive. See “Replacing the hard disk drive” on page 47.
4. Locate the system fan. See “Locating components” on page 11.
5. Disconnect the system fan cable from the system fan connector on the system board. See “Locating
parts on the system board” on page 12.
6. The system fan is attached to the chassis by four rubber mounts. Remove the system fan by cutting
the rubber mounts and lifting the system fan out of the chassis.
Note: The new front fan assembly will have four new rubber mounts attached.
Figure51. Removing the system fan
Chapter 5. Installing or replacing hardware 69