HP Dv7-1243cl HP Pavilion dv7 Entertainment PC - Maintenance and Service Guide - Page 110

Subwoofer, Reverse this procedure to install the fan.

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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 Subwoofer (includes 2 mounting grommets) Spare part number 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

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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