Fan
Description Spare part number
Fan (includes cable) 718430-001
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 33) and then remove the following components:
a. Hard drive (see
Hard drive on page 34)
b. Memory module service cover (see
Memory module on page 40)
c. Optical drive (see
Optical drive on page 42)
d. Keyboard (see
Keyboard on page 47)
e. Top cover (see
Top cover on page 50)
Remove the fan:
1. Close the computer.
2. Turn the computer upside down, with the front toward you.
3. Disconnect the fan cable from the system board.
Component replacement procedures 57
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