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c. Switch cover (see Switch cover on page 69)
d. Keyboard (see
Keyboard on page 71)
e. Speaker assembly (see
Speaker assembly on page 75)
f. Display assembly (see
Display assembly on page 76)
g. Top cover (see
Top cover on page 85)
h. System board (see
System board on page 94)
Remove the fan:
1. Remove the two Phillips PM2.5×5.0 screws (1) that secure the fan to the base enclosure.
2. Remove the fan (2) from the base enclosure.
Reverse this procedure to install the fan.
Subwoofer
Description Spare part number
Subwoofer (includes 2 mounting grommets) 480471-001
Before removing the subwoofer, 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.
100 Chapter 4 Removal and replacement procedures