Fan
Description Spare part number
Fan 738685-001
Before removing the fan, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 32).
5. Remove the service door (see
Service door on page 33).
Remove the fan:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Disconnect the fan cable (1) from the system board.
3. Loosen the two captive Phillips screws (2) that secure the fan to the top cover.
4. Remove the fan (3).
Reverse this procedure to install the fan.
44 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
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