1. Prepare the computer for disassembly (see Preparation for disassembly on page 20).
2. Remove the access panel (see Access panel on page 21).
Remove the fan duct:
1. Remove the cable from the clip (1) on the duct.
2. Lift the duct (2) straight up and out of the computer.
To install the fan duct, reverse the removal procedure.
Fan
To remove the fan, use this procedure and illustration.
Before removing the fan, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 20).
2. Remove the access panel (see Access panel on page 21).
3. Remove the optical drive (see Optical drive on page 23).
4. Remove the front bezel (see Front bezel on page 23).
5. Remove the fan duct (see Fan duct on page 47).
Remove the fan:
1. Disconnect the fan cable from the CHFAN connector (1) on the system board.
2. From the front of the computer, press the five tabs (2) to release the fan.
48
Chapter 4 Removal and replacement procedures
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