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Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the “+” sign
facing up.
Fan assembly
Description Spare part number
Fan assembly 438528-001
Before removing the fan assembly, 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 32).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 33)
b.
Memory/WLAN module compartment cover (see
Memory module on page 35)
c.
Optical drive (see
Optical drive on page 39)
d.
Switch cover (see
Switch cover on page 41)
e.
Keyboard (see
Keyboard on page 43)
f.
Display assembly (see
Display assembly on page 47)
g.
Base enclosure (see
Base enclosure on page 52)
Remove the fan assembly:
1. Disconnect the fan cable (1) from the system board.
2. Remove the Phillips PM2.0×9.0 screw (2) that secures the fan assembly to the top cover.
Component replacement procedures 55