HP ENVY dv7-7227cl HP ENVY dv7 Notebook PC Maintenance and Service Guide IMPOR - Page 90

Due to the adhesive quality of the thermal material located between the fan/heat sink

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c. Keyboard (see Keyboard on page 59) d. Top cover (see Top cover on page 63) e. System board (see System board on page 77) Remove the fan/heat sink assembly: 1. Turn the system board upside down, with the front toward you. NOTE: Steps 2 and 3 apply to computer models equipped with a graphics subsystem with discrete memory. See steps 4 and 5 for fan/heat sink assembly removal information for computer models equipped with a graphics subsystem with UMA memory. 2. Disconnect the fan cable (1) from the system board. 3. Following the 1, 2, 3, 4, 5, 6, 7 sequence stamped into the fan/heat sink assembly, loosen the seven captive Philllips screws (2) and (3) that secure the fan/heat sink assembly to the system board, and then remove the fan/heat sink assembly (4). NOTE: Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and the system board components, it may be necessary to move the fan/heat sink assembly from side to side to detach it. NOTE: The following illustration shows the fan/heat sink assembly removal process for a computer model equipped with an AMD processor. The process for removing the fan/heat sink assembly on a computer model equipped with an Intel processor is identical. NOTE: Steps 4 and 5 apply to computer models equipped with a graphics subsystem with UMA memory. See steps 2 and 3 for fan/heat sink assembly removal information for computer models equipped with a graphics subsystem with discrete memory. 4. Disconnect the fan cable (1) from the system board. 82 Chapter 4 Removal and replacement procedures

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c.
Keyboard (see
Keyboard
on page
59
)
d.
Top cover (see
Top cover
on page
63
)
e.
System board (see
System board
on page
77
)
Remove the fan/heat sink assembly:
1.
Turn the system board upside down, with the front toward you.
NOTE:
Steps 2 and 3 apply to computer models equipped with a graphics subsystem with
discrete memory. See steps 4 and 5 for fan/heat sink assembly removal information for computer
models equipped with a graphics subsystem with UMA memory.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Following the 1, 2, 3, 4, 5, 6, 7 sequence stamped into the fan/heat sink assembly, loosen
the seven captive Philllips screws
(2)
and
(3)
that secure the fan/heat sink assembly to
the system board, and then remove the fan/heat sink assembly
(4)
.
NOTE:
Due to the adhesive quality of the thermal material located between the fan/heat sink
assembly and the system board components, it may be necessary to move the fan/heat sink
assembly from side to side to detach it.
NOTE:
The following illustration shows the fan/heat sink assembly removal process for a
computer model equipped with an AMD processor. The process for removing the fan/heat sink
assembly on a computer model equipped with an Intel processor is identical.
NOTE:
Steps 4 and 5 apply to computer models equipped with a graphics subsystem with
UMA memory. See steps 2 and 3 for fan/heat sink assembly removal information for computer
models equipped with a graphics subsystem with discrete memory.
4.
Disconnect the fan cable
(1)
from the system board.
82
Chapter 4
Removal and replacement procedures