Fan
Description Spare part number
Fan 486844-001
Before removing the fan, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 34).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 36)
b. Optical drive (see
Optical drive on page 35)
c. Keyboard (see
Keyboard on page 44)
d. Keyboard cover (see
Keyboard cover on page 46)
e. Speaker assembly (see
Speaker assembly on page 49)
f. Display assembly (see
Display assembly on page 51)
g. Top cover (see
Top cover on page 59)
h. System board (see
System board on page 74)
Remove the fan:
1. Position the base enclosure with the front toward you.
2. Remove the two black Phillips PM2.5×5.0 screws (1) that secure the fan to the computer.
Component replacement procedures 81
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