HP Dv7-2170us HP Pavilion dv7 Entertainment PC - Maintenance and Service Guide - Page 98

Steps 1 through 4 apply only to models with discrete subsystem memory on the system board.

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Page 98 highlights

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 43). 5. Remove the following components: a. Hard drive (see Hard drive on page 48). b. Optical drive (see Optical drive on page 44). c. Switch cover and keyboard (see Switch cover and keyboard on page 57). d. Speaker assembly (see Speaker assembly on page 62). e. Display assembly (see Display assembly on page 64). f. Top cover (see Top cover on page 74). g. USB board (see USB board on page 83). h. System board (see System board on page 79). Remove the fan/heat sink assembly: NOTE: Steps 1 through 4 apply only to models with discrete subsystem memory on the system board. See steps 5 through 8 apply only to models with UMA subsystem memory on the system board. 1. Turn the system board upside down, with the expansion port and external monitor port toward you. 2. Disconnect the fan cable (1) from the system board. 3. Loosen the six Phillips captive screws (2) that secure the fan/heat sink assembly to the system board. 90 Chapter 4 Removal and replacement procedures

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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
43
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
48
).
b.
Optical drive (see
Optical drive
on page
44
).
c.
Switch cover and keyboard (see
Switch cover and keyboard
on page
57
).
d.
Speaker assembly (see
Speaker assembly
on page
62
).
e.
Display assembly (see
Display assembly
on page
64
).
f.
Top cover (see
Top cover
on page
74
).
g.
USB board (see
USB board
on page
83
).
h.
System board (see
System board
on page
79
).
Remove the fan/heat sink assembly:
NOTE:
Steps 1 through 4 apply only to models with discrete subsystem memory on the system board.
See steps 5 through 8 apply only to models with UMA subsystem memory on the system board.
1.
Turn the system board upside down, with the expansion port and external monitor port toward you.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Loosen the six Phillips captive screws
(2)
that secure the fan/heat sink assembly to the system
board.
90
Chapter 4
Removal and replacement procedures